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Finding the Fourth Proportional to 292,882.43, 404,387.22 and 228,423.66

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Solution

The fourth proportional to 292,882.43, 404,387.22 and 228,423.66 is: 315,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,882.43 : 404,387.22 = 228,423.66 : x
  2. Step 2: Convert to fraction form
    292,882.43/404,387.22 = 228,423.66/x
  3. Step 3: Cross multiply
    292,882.43x = 404,387.22 × 228,423.66
  4. Step 4: Simplify right side
    292,882.43x = 92,371,608,849.63
  5. Step 5: Solve for x
    x = 92,371,608,849.63/292,882.43
  6. Step 6: Final answer
    x = 315,388.02

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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.