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Finding the Fourth Proportional to 317,227.60, 475,906.20 and 106,886.80

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Solution

The fourth proportional to 317,227.60, 475,906.20 and 106,886.80 is: 160,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,227.60 : 475,906.20 = 106,886.80 : x
  2. Step 2: Convert to fraction form
    317,227.60/475,906.20 = 106,886.80/x
  3. Step 3: Cross multiply
    317,227.60x = 475,906.20 × 106,886.80
  4. Step 4: Simplify right side
    317,227.60x = 50,868,090,818.16
  5. Step 5: Solve for x
    x = 50,868,090,818.16/317,227.60
  6. Step 6: Final answer
    x = 160,352.03

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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.