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Finding the Fourth Proportional to 487,001, 730,501.50 and 132,015.02

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Solution

The fourth proportional to 487,001, 730,501.50 and 132,015.02 is: 198,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,001 : 730,501.50 = 132,015.02 : x
  2. Step 2: Convert to fraction form
    487,001/730,501.50 = 132,015.02/x
  3. Step 3: Cross multiply
    487,001x = 730,501.50 × 132,015.02
  4. Step 4: Simplify right side
    487,001x = 96,437,170,132.53
  5. Step 5: Solve for x
    x = 96,437,170,132.53/487,001
  6. Step 6: Final answer
    x = 198,022.53

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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.