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Finding the Fourth Proportional to 487,167.40, 730,751.10 and 132,225.40

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Solution

The fourth proportional to 487,167.40, 730,751.10 and 132,225.40 is: 198,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,167.40 : 730,751.10 = 132,225.40 : x
  2. Step 2: Convert to fraction form
    487,167.40/730,751.10 = 132,225.40/x
  3. Step 3: Cross multiply
    487,167.40x = 730,751.10 × 132,225.40
  4. Step 4: Simplify right side
    487,167.40x = 96,623,856,497.94
  5. Step 5: Solve for x
    x = 96,623,856,497.94/487,167.40
  6. Step 6: Final answer
    x = 198,338.10

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Similar ratio
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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.