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Finding the Fourth Proportional to 441,121.02, 660,615.72 and 251,005.38

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Solution

The fourth proportional to 441,121.02, 660,615.72 and 251,005.38 is: 375,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,121.02 : 660,615.72 = 251,005.38 : x
  2. Step 2: Convert to fraction form
    441,121.02/660,615.72 = 251,005.38/x
  3. Step 3: Cross multiply
    441,121.02x = 660,615.72 × 251,005.38
  4. Step 4: Simplify right side
    441,121.02x = 165,818,099,832.57
  5. Step 5: Solve for x
    x = 165,818,099,832.57/441,121.02
  6. Step 6: Final answer
    x = 375,901.61

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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.