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Finding the Fourth Proportional to 440,511.55, 660,767.33 and 141,001.90

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Solution

The fourth proportional to 440,511.55, 660,767.33 and 141,001.90 is: 211,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,511.55 : 660,767.33 = 141,001.90 : x
  2. Step 2: Convert to fraction form
    440,511.55/660,767.33 = 141,001.90/x
  3. Step 3: Cross multiply
    440,511.55x = 660,767.33 × 141,001.90
  4. Step 4: Simplify right side
    440,511.55x = 93,169,448,282.92
  5. Step 5: Solve for x
    x = 93,169,448,282.92/440,511.55
  6. Step 6: Final answer
    x = 211,502.85

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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.