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Finding the Fourth Proportional to 630,681.08, 945,459.14 and 231,228.77

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Solution

The fourth proportional to 630,681.08, 945,459.14 and 231,228.77 is: 346,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,681.08 : 945,459.14 = 231,228.77 : x
  2. Step 2: Convert to fraction form
    630,681.08/945,459.14 = 231,228.77/x
  3. Step 3: Cross multiply
    630,681.08x = 945,459.14 × 231,228.77
  4. Step 4: Simplify right side
    630,681.08x = 218,617,348,144.02
  5. Step 5: Solve for x
    x = 218,617,348,144.02/630,681.08
  6. Step 6: Final answer
    x = 346,636.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.