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Finding the Fourth Proportional to 522,614.80, 783,922.20 and 148,589.20

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Solution

The fourth proportional to 522,614.80, 783,922.20 and 148,589.20 is: 222,883.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,614.80 : 783,922.20 = 148,589.20 : x
  2. Step 2: Convert to fraction form
    522,614.80/783,922.20 = 148,589.20/x
  3. Step 3: Cross multiply
    522,614.80x = 783,922.20 × 148,589.20
  4. Step 4: Simplify right side
    522,614.80x = 116,482,372,560.24
  5. Step 5: Solve for x
    x = 116,482,372,560.24/522,614.80
  6. Step 6: Final answer
    x = 222,883.80

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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.