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Finding the Fourth Proportional to 439,318.60, 659,156.46 and 158,858.44

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Solution

The fourth proportional to 439,318.60, 659,156.46 and 158,858.44 is: 238,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,318.60 : 659,156.46 = 158,858.44 : x
  2. Step 2: Convert to fraction form
    439,318.60/659,156.46 = 158,858.44/x
  3. Step 3: Cross multiply
    439,318.60x = 659,156.46 × 158,858.44
  4. Step 4: Simplify right side
    439,318.60x = 104,712,566,951.52
  5. Step 5: Solve for x
    x = 104,712,566,951.52/439,318.60
  6. Step 6: Final answer
    x = 238,352.23

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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.