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Finding the Fourth Proportional to 574,773.26, 862,922.90 and 491,071.10

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Solution

The fourth proportional to 574,773.26, 862,922.90 and 491,071.10 is: 737,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,773.26 : 862,922.90 = 491,071.10 : x
  2. Step 2: Convert to fraction form
    574,773.26/862,922.90 = 491,071.10/x
  3. Step 3: Cross multiply
    574,773.26x = 862,922.90 × 491,071.10
  4. Step 4: Simplify right side
    574,773.26x = 423,756,497,718.19
  5. Step 5: Solve for x
    x = 423,756,497,718.19/574,773.26
  6. Step 6: Final answer
    x = 737,258.55

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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.