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Finding the Fourth Proportional to 398,231.77, 595,943.92 and 248,542.15

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Solution

The fourth proportional to 398,231.77, 595,943.92 and 248,542.15 is: 371,937.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,231.77 : 595,943.92 = 248,542.15 : x
  2. Step 2: Convert to fraction form
    398,231.77/595,943.92 = 248,542.15/x
  3. Step 3: Cross multiply
    398,231.77x = 595,943.92 × 248,542.15
  4. Step 4: Simplify right side
    398,231.77x = 148,117,183,156.23
  5. Step 5: Solve for x
    x = 148,117,183,156.23/398,231.77
  6. Step 6: Final answer
    x = 371,937.13

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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.