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Finding the Fourth Proportional to 1,164,869.73, 1,747,932.48 and 491,417.91

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Solution

The fourth proportional to 1,164,869.73, 1,747,932.48 and 491,417.91 is: 737,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,869.73 : 1,747,932.48 = 491,417.91 : x
  2. Step 2: Convert to fraction form
    1,164,869.73/1,747,932.48 = 491,417.91/x
  3. Step 3: Cross multiply
    1,164,869.73x = 1,747,932.48 × 491,417.91
  4. Step 4: Simplify right side
    1,164,869.73x = 858,965,326,142.72
  5. Step 5: Solve for x
    x = 858,965,326,142.72/1,164,869.73
  6. Step 6: Final answer
    x = 737,391.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.