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Finding the Fourth Proportional to 438,777.52, 658,166.28 and 106,353.52

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Solution

The fourth proportional to 438,777.52, 658,166.28 and 106,353.52 is: 159,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,777.52 : 658,166.28 = 106,353.52 : x
  2. Step 2: Convert to fraction form
    438,777.52/658,166.28 = 106,353.52/x
  3. Step 3: Cross multiply
    438,777.52x = 658,166.28 × 106,353.52
  4. Step 4: Simplify right side
    438,777.52x = 69,998,300,623.31
  5. Step 5: Solve for x
    x = 69,998,300,623.31/438,777.52
  6. Step 6: Final answer
    x = 159,530.28

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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.