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Finding the Fourth Proportional to 356,691.60, 492,296.94 and 270,934.44

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Solution

The fourth proportional to 356,691.60, 492,296.94 and 270,934.44 is: 373,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,691.60 : 492,296.94 = 270,934.44 : x
  2. Step 2: Convert to fraction form
    356,691.60/492,296.94 = 270,934.44/x
  3. Step 3: Cross multiply
    356,691.60x = 492,296.94 × 270,934.44
  4. Step 4: Simplify right side
    356,691.60x = 133,380,195,752.61
  5. Step 5: Solve for x
    x = 133,380,195,752.61/356,691.60
  6. Step 6: Final answer
    x = 373,937.03

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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.