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Finding the Fourth Proportional to 418,230.62, 577,149.94 and 227,245.38

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Solution

The fourth proportional to 418,230.62, 577,149.94 and 227,245.38 is: 313,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,230.62 : 577,149.94 = 227,245.38 : x
  2. Step 2: Convert to fraction form
    418,230.62/577,149.94 = 227,245.38/x
  3. Step 3: Cross multiply
    418,230.62x = 577,149.94 × 227,245.38
  4. Step 4: Simplify right side
    418,230.62x = 131,154,657,432.28
  5. Step 5: Solve for x
    x = 131,154,657,432.28/418,230.62
  6. Step 6: Final answer
    x = 313,594.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.