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Finding the Fourth Proportional to 629,697.96, 944,542.21 and 180,419.20

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Solution

The fourth proportional to 629,697.96, 944,542.21 and 180,419.20 is: 270,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,697.96 : 944,542.21 = 180,419.20 : x
  2. Step 2: Convert to fraction form
    629,697.96/944,542.21 = 180,419.20/x
  3. Step 3: Cross multiply
    629,697.96x = 944,542.21 × 180,419.20
  4. Step 4: Simplify right side
    629,697.96x = 170,413,549,894.43
  5. Step 5: Solve for x
    x = 170,413,549,894.43/629,697.96
  6. Step 6: Final answer
    x = 270,627.44

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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.