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Finding the Fourth Proportional to 577,468, 866,187.40 and 156,732.96

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Solution

The fourth proportional to 577,468, 866,187.40 and 156,732.96 is: 235,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,468 : 866,187.40 = 156,732.96 : x
  2. Step 2: Convert to fraction form
    577,468/866,187.40 = 156,732.96/x
  3. Step 3: Cross multiply
    577,468x = 866,187.40 × 156,732.96
  4. Step 4: Simplify right side
    577,468x = 135,760,115,116.70
  5. Step 5: Solve for x
    x = 135,760,115,116.70/577,468
  6. Step 6: Final answer
    x = 235,095.48

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1.5x scale

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.