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Finding the Fourth Proportional to 445,012.44, 667,444.76 and 160,648.44

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Solution

The fourth proportional to 445,012.44, 667,444.76 and 160,648.44 is: 240,945.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,012.44 : 667,444.76 = 160,648.44 : x
  2. Step 2: Convert to fraction form
    445,012.44/667,444.76 = 160,648.44/x
  3. Step 3: Cross multiply
    445,012.44x = 667,444.76 × 160,648.44
  4. Step 4: Simplify right side
    445,012.44x = 107,223,959,480.17
  5. Step 5: Solve for x
    x = 107,223,959,480.17/445,012.44
  6. Step 6: Final answer
    x = 240,945.98

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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.