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Finding the Fourth Proportional to 544,801.20, 815,646.60 and 482,593.20

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Solution

The fourth proportional to 544,801.20, 815,646.60 and 482,593.20 is: 722,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,801.20 : 815,646.60 = 482,593.20 : x
  2. Step 2: Convert to fraction form
    544,801.20/815,646.60 = 482,593.20/x
  3. Step 3: Cross multiply
    544,801.20x = 815,646.60 × 482,593.20
  4. Step 4: Simplify right side
    544,801.20x = 393,625,502,763.12
  5. Step 5: Solve for x
    x = 393,625,502,763.12/544,801.20
  6. Step 6: Final answer
    x = 722,512.18

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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.