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Finding the Fourth Proportional to 864,262.92, 1,192,681.08 and 482,266.92

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Solution

The fourth proportional to 864,262.92, 1,192,681.08 and 482,266.92 is: 665,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,262.92 : 1,192,681.08 = 482,266.92 : x
  2. Step 2: Convert to fraction form
    864,262.92/1,192,681.08 = 482,266.92/x
  3. Step 3: Cross multiply
    864,262.92x = 1,192,681.08 × 482,266.92
  4. Step 4: Simplify right side
    864,262.92x = 575,190,630,993.87
  5. Step 5: Solve for x
    x = 575,190,630,993.87/864,262.92
  6. Step 6: Final answer
    x = 665,527.37

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Half scale
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Double scale
Find fourth proportional to 864,263.92, 1,192,682.46 and 482,267.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.