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Finding the Fourth Proportional to 962,791.14, 1,328,672.49 and 527,226.87

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Solution

The fourth proportional to 962,791.14, 1,328,672.49 and 527,226.87 is: 727,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,791.14 : 1,328,672.49 = 527,226.87 : x
  2. Step 2: Convert to fraction form
    962,791.14/1,328,672.49 = 527,226.87/x
  3. Step 3: Cross multiply
    962,791.14x = 1,328,672.49 × 527,226.87
  4. Step 4: Simplify right side
    962,791.14x = 700,511,838,157.81
  5. Step 5: Solve for x
    x = 700,511,838,157.81/962,791.14
  6. Step 6: Final answer
    x = 727,584.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.