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Finding the Fourth Proportional to 363,542.80, 545,314.20 and 97,344.40

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Solution

The fourth proportional to 363,542.80, 545,314.20 and 97,344.40 is: 146,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,542.80 : 545,314.20 = 97,344.40 : x
  2. Step 2: Convert to fraction form
    363,542.80/545,314.20 = 97,344.40/x
  3. Step 3: Cross multiply
    363,542.80x = 545,314.20 × 97,344.40
  4. Step 4: Simplify right side
    363,542.80x = 53,083,283,610.48
  5. Step 5: Solve for x
    x = 53,083,283,610.48/363,542.80
  6. Step 6: Final answer
    x = 146,016.60

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1.5x scale

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.