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Finding the Fourth Proportional to 449,818.74, 674,717.36 and 146,212.52

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Solution

The fourth proportional to 449,818.74, 674,717.36 and 146,212.52 is: 219,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,818.74 : 674,717.36 = 146,212.52 : x
  2. Step 2: Convert to fraction form
    449,818.74/674,717.36 = 146,212.52/x
  3. Step 3: Cross multiply
    449,818.74x = 674,717.36 × 146,212.52
  4. Step 4: Simplify right side
    449,818.74x = 98,652,121,388.70
  5. Step 5: Solve for x
    x = 98,652,121,388.70/449,818.74
  6. Step 6: Final answer
    x = 219,315.28

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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.