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Finding the Fourth Proportional to 962,843.16, 1,328,744.40 and 527,279

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Solution

The fourth proportional to 962,843.16, 1,328,744.40 and 527,279 is: 727,656.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,843.16 : 1,328,744.40 = 527,279 : x
  2. Step 2: Convert to fraction form
    962,843.16/1,328,744.40 = 527,279/x
  3. Step 3: Cross multiply
    962,843.16x = 1,328,744.40 × 527,279
  4. Step 4: Simplify right side
    962,843.16x = 700,619,018,487.60
  5. Step 5: Solve for x
    x = 700,619,018,487.60/962,843.16
  6. Step 6: Final answer
    x = 727,656.43

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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.