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Finding the Fourth Proportional to 442,108.98, 663,243.66 and 252,782.82

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Solution

The fourth proportional to 442,108.98, 663,243.66 and 252,782.82 is: 379,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,108.98 : 663,243.66 = 252,782.82 : x
  2. Step 2: Convert to fraction form
    442,108.98/663,243.66 = 252,782.82/x
  3. Step 3: Cross multiply
    442,108.98x = 663,243.66 × 252,782.82
  4. Step 4: Simplify right side
    442,108.98x = 167,656,602,721.92
  5. Step 5: Solve for x
    x = 167,656,602,721.92/442,108.98
  6. Step 6: Final answer
    x = 379,220.08

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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.