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Finding the Fourth Proportional to 495,562.97, 743,372.60 and 140,548.88

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Solution

The fourth proportional to 495,562.97, 743,372.60 and 140,548.88 is: 210,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,562.97 : 743,372.60 = 140,548.88 : x
  2. Step 2: Convert to fraction form
    495,562.97/743,372.60 = 140,548.88/x
  3. Step 3: Cross multiply
    495,562.97x = 743,372.60 × 140,548.88
  4. Step 4: Simplify right side
    495,562.97x = 104,480,181,933.08
  5. Step 5: Solve for x
    x = 104,480,181,933.08/495,562.97
  6. Step 6: Final answer
    x = 210,831.30

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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.