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Finding the Fourth Proportional to 351,564.00, 527,346.25 and 85,324.77

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Solution

The fourth proportional to 351,564.00, 527,346.25 and 85,324.77 is: 127,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,564.00 : 527,346.25 = 85,324.77 : x
  2. Step 2: Convert to fraction form
    351,564.00/527,346.25 = 85,324.77/x
  3. Step 3: Cross multiply
    351,564.00x = 527,346.25 × 85,324.77
  4. Step 4: Simplify right side
    351,564.00x = 44,995,694,854.88
  5. Step 5: Solve for x
    x = 44,995,694,854.88/351,564.00
  6. Step 6: Final answer
    x = 127,987.21

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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.