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Finding the Fourth Proportional to 311,073.60, 466,610.40 and 100,862.40

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Solution

The fourth proportional to 311,073.60, 466,610.40 and 100,862.40 is: 151,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,073.60 : 466,610.40 = 100,862.40 : x
  2. Step 2: Convert to fraction form
    311,073.60/466,610.40 = 100,862.40/x
  3. Step 3: Cross multiply
    311,073.60x = 466,610.40 × 100,862.40
  4. Step 4: Simplify right side
    311,073.60x = 47,063,444,808.96
  5. Step 5: Solve for x
    x = 47,063,444,808.96/311,073.60
  6. Step 6: Final answer
    x = 151,293.60

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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.