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Finding the Fourth Proportional to 531,439.80, 797,626.26 and 295,049.40

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Solution

The fourth proportional to 531,439.80, 797,626.26 and 295,049.40 is: 442,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,439.80 : 797,626.26 = 295,049.40 : x
  2. Step 2: Convert to fraction form
    531,439.80/797,626.26 = 295,049.40/x
  3. Step 3: Cross multiply
    531,439.80x = 797,626.26 × 295,049.40
  4. Step 4: Simplify right side
    531,439.80x = 235,339,149,437.24
  5. Step 5: Solve for x
    x = 235,339,149,437.24/531,439.80
  6. Step 6: Final answer
    x = 442,833.13

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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.