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Finding the Fourth Proportional to 410,875.20, 616,773.60 and 317,793.60

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Solution

The fourth proportional to 410,875.20, 616,773.60 and 317,793.60 is: 477,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,875.20 : 616,773.60 = 317,793.60 : x
  2. Step 2: Convert to fraction form
    410,875.20/616,773.60 = 317,793.60/x
  3. Step 3: Cross multiply
    410,875.20x = 616,773.60 × 317,793.60
  4. Step 4: Simplify right side
    410,875.20x = 196,006,702,728.96
  5. Step 5: Solve for x
    x = 196,006,702,728.96/410,875.20
  6. Step 6: Final answer
    x = 477,046.81

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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.