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Finding the Fourth Proportional to 417,589.53, 626,180.18 and 291,290.28

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Solution

The fourth proportional to 417,589.53, 626,180.18 and 291,290.28 is: 436,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,589.53 : 626,180.18 = 291,290.28 : x
  2. Step 2: Convert to fraction form
    417,589.53/626,180.18 = 291,290.28/x
  3. Step 3: Cross multiply
    417,589.53x = 626,180.18 × 291,290.28
  4. Step 4: Simplify right side
    417,589.53x = 182,400,198,506.20
  5. Step 5: Solve for x
    x = 182,400,198,506.20/417,589.53
  6. Step 6: Final answer
    x = 436,793.04

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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.