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Finding the Fourth Proportional to 410,139.88, 566,006.61 and 238,044.94

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Solution

The fourth proportional to 410,139.88, 566,006.61 and 238,044.94 is: 328,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,139.88 : 566,006.61 = 238,044.94 : x
  2. Step 2: Convert to fraction form
    410,139.88/566,006.61 = 238,044.94/x
  3. Step 3: Cross multiply
    410,139.88x = 566,006.61 × 238,044.94
  4. Step 4: Simplify right side
    410,139.88x = 134,735,009,517.05
  5. Step 5: Solve for x
    x = 134,735,009,517.05/410,139.88
  6. Step 6: Final answer
    x = 328,509.90

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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.