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Finding the Fourth Proportional to 439,355.76, 659,084.84 and 159,005.04

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Solution

The fourth proportional to 439,355.76, 659,084.84 and 159,005.04 is: 238,526.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,355.76 : 659,084.84 = 159,005.04 : x
  2. Step 2: Convert to fraction form
    439,355.76/659,084.84 = 159,005.04/x
  3. Step 3: Cross multiply
    439,355.76x = 659,084.84 × 159,005.04
  4. Step 4: Simplify right side
    439,355.76x = 104,797,811,347.59
  5. Step 5: Solve for x
    x = 104,797,811,347.59/439,355.76
  6. Step 6: Final answer
    x = 238,526.09

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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.