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Finding the Fourth Proportional to 496,970.85, 745,456.28 and 344,755.65

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Solution

The fourth proportional to 496,970.85, 745,456.28 and 344,755.65 is: 517,133.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,970.85 : 745,456.28 = 344,755.65 : x
  2. Step 2: Convert to fraction form
    496,970.85/745,456.28 = 344,755.65/x
  3. Step 3: Cross multiply
    496,970.85x = 745,456.28 × 344,755.65
  4. Step 4: Simplify right side
    496,970.85x = 257,000,262,634.20
  5. Step 5: Solve for x
    x = 257,000,262,634.20/496,970.85
  6. Step 6: Final answer
    x = 517,133.48

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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.