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Finding the Fourth Proportional to 483,235.40, 724,853.10 and 283,651.40

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Solution

The fourth proportional to 483,235.40, 724,853.10 and 283,651.40 is: 425,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,235.40 : 724,853.10 = 283,651.40 : x
  2. Step 2: Convert to fraction form
    483,235.40/724,853.10 = 283,651.40/x
  3. Step 3: Cross multiply
    483,235.40x = 724,853.10 × 283,651.40
  4. Step 4: Simplify right side
    483,235.40x = 205,605,596,609.34
  5. Step 5: Solve for x
    x = 205,605,596,609.34/483,235.40
  6. Step 6: Final answer
    x = 425,477.10

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Double scale
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Similar ratio
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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.