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Finding the Fourth Proportional to 888,305.60, 1,332,458.40 and 534,411.20

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Solution

The fourth proportional to 888,305.60, 1,332,458.40 and 534,411.20 is: 801,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,305.60 : 1,332,458.40 = 534,411.20 : x
  2. Step 2: Convert to fraction form
    888,305.60/1,332,458.40 = 534,411.20/x
  3. Step 3: Cross multiply
    888,305.60x = 1,332,458.40 × 534,411.20
  4. Step 4: Simplify right side
    888,305.60x = 712,080,692,494.08
  5. Step 5: Solve for x
    x = 712,080,692,494.08/888,305.60
  6. Step 6: Final answer
    x = 801,616.80

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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.