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Finding the Fourth Proportional to 482,812.40, 724,996.20 and 364,617.20

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Solution

The fourth proportional to 482,812.40, 724,996.20 and 364,617.20 is: 547,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,812.40 : 724,996.20 = 364,617.20 : x
  2. Step 2: Convert to fraction form
    482,812.40/724,996.20 = 364,617.20/x
  3. Step 3: Cross multiply
    482,812.40x = 724,996.20 × 364,617.20
  4. Step 4: Simplify right side
    482,812.40x = 264,346,084,454.64
  5. Step 5: Solve for x
    x = 264,346,084,454.64/482,812.40
  6. Step 6: Final answer
    x = 547,513.04

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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.