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Finding the Fourth Proportional to 704,369.73, 970,951.71 and 431,932.44

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Solution

The fourth proportional to 704,369.73, 970,951.71 and 431,932.44 is: 595,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,369.73 : 970,951.71 = 431,932.44 : x
  2. Step 2: Convert to fraction form
    704,369.73/970,951.71 = 431,932.44/x
  3. Step 3: Cross multiply
    704,369.73x = 970,951.71 × 431,932.44
  4. Step 4: Simplify right side
    704,369.73x = 419,385,541,222.47
  5. Step 5: Solve for x
    x = 419,385,541,222.47/704,369.73
  6. Step 6: Final answer
    x = 595,405.40

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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.