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Finding the Fourth Proportional to 257,250.52, 384,040.52 and 240,155.11

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Solution

The fourth proportional to 257,250.52, 384,040.52 and 240,155.11 is: 358,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,250.52 : 384,040.52 = 240,155.11 : x
  2. Step 2: Convert to fraction form
    257,250.52/384,040.52 = 240,155.11/x
  3. Step 3: Cross multiply
    257,250.52x = 384,040.52 × 240,155.11
  4. Step 4: Simplify right side
    257,250.52x = 92,229,293,325.06
  5. Step 5: Solve for x
    x = 92,229,293,325.06/257,250.52
  6. Step 6: Final answer
    x = 358,519.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.