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Finding the Fourth Proportional to 497,314.53, 745,976.97 and 398,105.37

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Solution

The fourth proportional to 497,314.53, 745,976.97 and 398,105.37 is: 597,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,314.53 : 745,976.97 = 398,105.37 : x
  2. Step 2: Convert to fraction form
    497,314.53/745,976.97 = 398,105.37/x
  3. Step 3: Cross multiply
    497,314.53x = 745,976.97 × 398,105.37
  4. Step 4: Simplify right side
    497,314.53x = 296,977,437,653.33
  5. Step 5: Solve for x
    x = 296,977,437,653.33/497,314.53
  6. Step 6: Final answer
    x = 597,162.20

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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.