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Finding the Fourth Proportional to 496,976.85, 745,465.28 and 344,761.65

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Solution

The fourth proportional to 496,976.85, 745,465.28 and 344,761.65 is: 517,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,976.85 : 745,465.28 = 344,761.65 : x
  2. Step 2: Convert to fraction form
    496,976.85/745,465.28 = 344,761.65/x
  3. Step 3: Cross multiply
    496,976.85x = 745,465.28 × 344,761.65
  4. Step 4: Simplify right side
    496,976.85x = 257,007,838,226.70
  5. Step 5: Solve for x
    x = 257,007,838,226.70/496,976.85
  6. Step 6: Final answer
    x = 517,142.48

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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.