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Finding the Fourth Proportional to 352,456.49, 528,712.52 and 99,732.94

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Solution

The fourth proportional to 352,456.49, 528,712.52 and 99,732.94 is: 149,607.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,456.49 : 528,712.52 = 99,732.94 : x
  2. Step 2: Convert to fraction form
    352,456.49/528,712.52 = 99,732.94/x
  3. Step 3: Cross multiply
    352,456.49x = 528,712.52 × 99,732.94
  4. Step 4: Simplify right side
    352,456.49x = 52,730,052,213.96
  5. Step 5: Solve for x
    x = 52,730,052,213.96/352,456.49
  6. Step 6: Final answer
    x = 149,607.27

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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.