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Finding the Fourth Proportional to 472,791.60, 652,426.92 and 268,814.36

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Solution

The fourth proportional to 472,791.60, 652,426.92 and 268,814.36 is: 370,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,791.60 : 652,426.92 = 268,814.36 : x
  2. Step 2: Convert to fraction form
    472,791.60/652,426.92 = 268,814.36/x
  3. Step 3: Cross multiply
    472,791.60x = 652,426.92 × 268,814.36
  4. Step 4: Simplify right side
    472,791.60x = 175,381,726,577.64
  5. Step 5: Solve for x
    x = 175,381,726,577.64/472,791.60
  6. Step 6: Final answer
    x = 370,949.33

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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.