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Finding the Fourth Proportional to 482,892.90, 724,339.35 and 304,433.70

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Solution

The fourth proportional to 482,892.90, 724,339.35 and 304,433.70 is: 456,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,892.90 : 724,339.35 = 304,433.70 : x
  2. Step 2: Convert to fraction form
    482,892.90/724,339.35 = 304,433.70/x
  3. Step 3: Cross multiply
    482,892.90x = 724,339.35 × 304,433.70
  4. Step 4: Simplify right side
    482,892.90x = 220,513,308,376.10
  5. Step 5: Solve for x
    x = 220,513,308,376.10/482,892.90
  6. Step 6: Final answer
    x = 456,650.55

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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.