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Finding the Fourth Proportional to 577,432.84, 866,149.70 and 156,708.72

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Solution

The fourth proportional to 577,432.84, 866,149.70 and 156,708.72 is: 235,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,432.84 : 866,149.70 = 156,708.72 : x
  2. Step 2: Convert to fraction form
    577,432.84/866,149.70 = 156,708.72/x
  3. Step 3: Cross multiply
    577,432.84x = 866,149.70 × 156,708.72
  4. Step 4: Simplify right side
    577,432.84x = 135,733,210,815.38
  5. Step 5: Solve for x
    x = 135,733,210,815.38/577,432.84
  6. Step 6: Final answer
    x = 235,063.20

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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.