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Finding the Fourth Proportional to 573,325.57, 859,988.54 and 168,517.86

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Solution

The fourth proportional to 573,325.57, 859,988.54 and 168,517.86 is: 252,776.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,325.57 : 859,988.54 = 168,517.86 : x
  2. Step 2: Convert to fraction form
    573,325.57/859,988.54 = 168,517.86/x
  3. Step 3: Cross multiply
    573,325.57x = 859,988.54 × 168,517.86
  4. Step 4: Simplify right side
    573,325.57x = 144,923,427,542.74
  5. Step 5: Solve for x
    x = 144,923,427,542.74/573,325.57
  6. Step 6: Final answer
    x = 252,776.85

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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.