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Finding the Fourth Proportional to 371,332.14, 512,446.50 and 226,144.73

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Solution

The fourth proportional to 371,332.14, 512,446.50 and 226,144.73 is: 312,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,332.14 : 512,446.50 = 226,144.73 : x
  2. Step 2: Convert to fraction form
    371,332.14/512,446.50 = 226,144.73/x
  3. Step 3: Cross multiply
    371,332.14x = 512,446.50 × 226,144.73
  4. Step 4: Simplify right side
    371,332.14x = 115,887,072,254.35
  5. Step 5: Solve for x
    x = 115,887,072,254.35/371,332.14
  6. Step 6: Final answer
    x = 312,084.68

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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.