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Finding the Fourth Proportional to 511,227.88, 766,841.82 and 156,242.92

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Solution

The fourth proportional to 511,227.88, 766,841.82 and 156,242.92 is: 234,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,227.88 : 766,841.82 = 156,242.92 : x
  2. Step 2: Convert to fraction form
    511,227.88/766,841.82 = 156,242.92/x
  3. Step 3: Cross multiply
    511,227.88x = 766,841.82 × 156,242.92
  4. Step 4: Simplify right side
    511,227.88x = 119,813,605,134.91
  5. Step 5: Solve for x
    x = 119,813,605,134.91/511,227.88
  6. Step 6: Final answer
    x = 234,364.38

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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.