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Finding the Fourth Proportional to 632,245.60, 948,170.96 and 211,423.20

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Solution

The fourth proportional to 632,245.60, 948,170.96 and 211,423.20 is: 317,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,245.60 : 948,170.96 = 211,423.20 : x
  2. Step 2: Convert to fraction form
    632,245.60/948,170.96 = 211,423.20/x
  3. Step 3: Cross multiply
    632,245.60x = 948,170.96 × 211,423.20
  4. Step 4: Simplify right side
    632,245.60x = 200,465,338,510.27
  5. Step 5: Solve for x
    x = 200,465,338,510.27/632,245.60
  6. Step 6: Final answer
    x = 317,068.78

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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.