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Finding the Fourth Proportional to 317,146.73, 437,239.11 and 251,951.89

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Solution

The fourth proportional to 317,146.73, 437,239.11 and 251,951.89 is: 347,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,146.73 : 437,239.11 = 251,951.89 : x
  2. Step 2: Convert to fraction form
    317,146.73/437,239.11 = 251,951.89/x
  3. Step 3: Cross multiply
    317,146.73x = 437,239.11 × 251,951.89
  4. Step 4: Simplify right side
    317,146.73x = 110,163,218,886.66
  5. Step 5: Solve for x
    x = 110,163,218,886.66/317,146.73
  6. Step 6: Final answer
    x = 347,357.26

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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.