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Finding the Fourth Proportional to 375,557.26, 518,244.50 and 239,576.61

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Solution

The fourth proportional to 375,557.26, 518,244.50 and 239,576.61 is: 330,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,557.26 : 518,244.50 = 239,576.61 : x
  2. Step 2: Convert to fraction form
    375,557.26/518,244.50 = 239,576.61/x
  3. Step 3: Cross multiply
    375,557.26x = 518,244.50 × 239,576.61
  4. Step 4: Simplify right side
    375,557.26x = 124,159,261,965.41
  5. Step 5: Solve for x
    x = 124,159,261,965.41/375,557.26
  6. Step 6: Final answer
    x = 330,600.08

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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.