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Finding the Fourth Proportional to 438,470.88, 657,700.56 and 106,044

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Solution

The fourth proportional to 438,470.88, 657,700.56 and 106,044 is: 159,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,470.88 : 657,700.56 = 106,044 : x
  2. Step 2: Convert to fraction form
    438,470.88/657,700.56 = 106,044/x
  3. Step 3: Cross multiply
    438,470.88x = 657,700.56 × 106,044
  4. Step 4: Simplify right side
    438,470.88x = 69,745,198,184.64
  5. Step 5: Solve for x
    x = 69,745,198,184.64/438,470.88
  6. Step 6: Final answer
    x = 159,064.61

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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.