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Finding the Fourth Proportional to 577,444.50, 866,152.17 and 156,709.44

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Solution

The fourth proportional to 577,444.50, 866,152.17 and 156,709.44 is: 235,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,444.50 : 866,152.17 = 156,709.44 : x
  2. Step 2: Convert to fraction form
    577,444.50/866,152.17 = 156,709.44/x
  3. Step 3: Cross multiply
    577,444.50x = 866,152.17 × 156,709.44
  4. Step 4: Simplify right side
    577,444.50x = 135,734,221,515.49
  5. Step 5: Solve for x
    x = 135,734,221,515.49/577,444.50
  6. Step 6: Final answer
    x = 235,060.20

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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.