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Finding the Fourth Proportional to 524,860.22, 724,655.70 and 403,787.90

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Solution

The fourth proportional to 524,860.22, 724,655.70 and 403,787.90 is: 557,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,860.22 : 724,655.70 = 403,787.90 : x
  2. Step 2: Convert to fraction form
    524,860.22/724,655.70 = 403,787.90/x
  3. Step 3: Cross multiply
    524,860.22x = 724,655.70 × 403,787.90
  4. Step 4: Simplify right side
    524,860.22x = 292,607,203,326.03
  5. Step 5: Solve for x
    x = 292,607,203,326.03/524,860.22
  6. Step 6: Final answer
    x = 557,495.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.