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Finding the Fourth Proportional to 418,792.27, 577,930.71 and 227,806.42

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Solution

The fourth proportional to 418,792.27, 577,930.71 and 227,806.42 is: 314,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,792.27 : 577,930.71 = 227,806.42 : x
  2. Step 2: Convert to fraction form
    418,792.27/577,930.71 = 227,806.42/x
  3. Step 3: Cross multiply
    418,792.27x = 577,930.71 × 227,806.42
  4. Step 4: Simplify right side
    418,792.27x = 131,656,326,053.16
  5. Step 5: Solve for x
    x = 131,656,326,053.16/418,792.27
  6. Step 6: Final answer
    x = 314,371.43

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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.