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Finding the Fourth Proportional to 295,209.20, 442,157.70 and 228,432.80

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Solution

The fourth proportional to 295,209.20, 442,157.70 and 228,432.80 is: 342,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,209.20 : 442,157.70 = 228,432.80 : x
  2. Step 2: Convert to fraction form
    295,209.20/442,157.70 = 228,432.80/x
  3. Step 3: Cross multiply
    295,209.20x = 442,157.70 × 228,432.80
  4. Step 4: Simplify right side
    295,209.20x = 101,003,321,452.56
  5. Step 5: Solve for x
    x = 101,003,321,452.56/295,209.20
  6. Step 6: Final answer
    x = 342,141.51

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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.