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Finding the Fourth Proportional to 524,956.25, 724,663.56 and 352,973.90

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Solution

The fourth proportional to 524,956.25, 724,663.56 and 352,973.90 is: 487,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,956.25 : 724,663.56 = 352,973.90 : x
  2. Step 2: Convert to fraction form
    524,956.25/724,663.56 = 352,973.90/x
  3. Step 3: Cross multiply
    524,956.25x = 724,663.56 × 352,973.90
  4. Step 4: Simplify right side
    524,956.25x = 255,787,321,196.22
  5. Step 5: Solve for x
    x = 255,787,321,196.22/524,956.25
  6. Step 6: Final answer
    x = 487,254.55

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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.