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Finding the Fourth Proportional to 372,487.47, 558,638.64 and 106,250.28

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Solution

The fourth proportional to 372,487.47, 558,638.64 and 106,250.28 is: 159,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,487.47 : 558,638.64 = 106,250.28 : x
  2. Step 2: Convert to fraction form
    372,487.47/558,638.64 = 106,250.28/x
  3. Step 3: Cross multiply
    372,487.47x = 558,638.64 × 106,250.28
  4. Step 4: Simplify right side
    372,487.47x = 59,355,511,918.82
  5. Step 5: Solve for x
    x = 59,355,511,918.82/372,487.47
  6. Step 6: Final answer
    x = 159,349.02

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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.