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Finding the Fourth Proportional to 543,754.44, 750,282.20 and 314,227.61

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Solution

The fourth proportional to 543,754.44, 750,282.20 and 314,227.61 is: 433,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,754.44 : 750,282.20 = 314,227.61 : x
  2. Step 2: Convert to fraction form
    543,754.44/750,282.20 = 314,227.61/x
  3. Step 3: Cross multiply
    543,754.44x = 750,282.20 × 314,227.61
  4. Step 4: Simplify right side
    543,754.44x = 235,759,377,208.99
  5. Step 5: Solve for x
    x = 235,759,377,208.99/543,754.44
  6. Step 6: Final answer
    x = 433,576.92

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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.