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Finding the Fourth Proportional to 261,987, 360,713.10 and 238,042.04

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Solution

The fourth proportional to 261,987, 360,713.10 and 238,042.04 is: 327,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,987 : 360,713.10 = 238,042.04 : x
  2. Step 2: Convert to fraction form
    261,987/360,713.10 = 238,042.04/x
  3. Step 3: Cross multiply
    261,987x = 360,713.10 × 238,042.04
  4. Step 4: Simplify right side
    261,987x = 85,864,882,178.72
  5. Step 5: Solve for x
    x = 85,864,882,178.72/261,987
  6. Step 6: Final answer
    x = 327,744.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.