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Finding the Fourth Proportional to 369,351.28, 509,667.96 and 226,151.92

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Solution

The fourth proportional to 369,351.28, 509,667.96 and 226,151.92 is: 312,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,351.28 : 509,667.96 = 226,151.92 : x
  2. Step 2: Convert to fraction form
    369,351.28/509,667.96 = 226,151.92/x
  3. Step 3: Cross multiply
    369,351.28x = 509,667.96 × 226,151.92
  4. Step 4: Simplify right side
    369,351.28x = 115,262,387,716.48
  5. Step 5: Solve for x
    x = 115,262,387,716.48/369,351.28
  6. Step 6: Final answer
    x = 312,067.11

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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.