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Finding the Fourth Proportional to 543,332.70, 814,999.05 and 501,342.30

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Solution

The fourth proportional to 543,332.70, 814,999.05 and 501,342.30 is: 752,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,332.70 : 814,999.05 = 501,342.30 : x
  2. Step 2: Convert to fraction form
    543,332.70/814,999.05 = 501,342.30/x
  3. Step 3: Cross multiply
    543,332.70x = 814,999.05 × 501,342.30
  4. Step 4: Simplify right side
    543,332.70x = 408,593,498,224.82
  5. Step 5: Solve for x
    x = 408,593,498,224.82/543,332.70
  6. Step 6: Final answer
    x = 752,013.45

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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.