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Finding the Fourth Proportional to 577,522.40, 866,278.08 and 156,798.27

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Solution

The fourth proportional to 577,522.40, 866,278.08 and 156,798.27 is: 235,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,522.40 : 866,278.08 = 156,798.27 : x
  2. Step 2: Convert to fraction form
    577,522.40/866,278.08 = 156,798.27/x
  3. Step 3: Cross multiply
    577,522.40x = 866,278.08 × 156,798.27
  4. Step 4: Simplify right side
    577,522.40x = 135,830,904,282.92
  5. Step 5: Solve for x
    x = 135,830,904,282.92/577,522.40
  6. Step 6: Final answer
    x = 235,195.91

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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.