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Finding the Fourth Proportional to 694,957.44, 958,449.28 and 534,201.60

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Solution

The fourth proportional to 694,957.44, 958,449.28 and 534,201.60 is: 736,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,957.44 : 958,449.28 = 534,201.60 : x
  2. Step 2: Convert to fraction form
    694,957.44/958,449.28 = 534,201.60/x
  3. Step 3: Cross multiply
    694,957.44x = 958,449.28 × 534,201.60
  4. Step 4: Simplify right side
    694,957.44x = 512,005,138,894.85
  5. Step 5: Solve for x
    x = 512,005,138,894.85/694,957.44
  6. Step 6: Final answer
    x = 736,743.16

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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.