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Finding the Fourth Proportional to 543,333.70, 815,000.55 and 501,343.30

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Solution

The fourth proportional to 543,333.70, 815,000.55 and 501,343.30 is: 752,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,333.70 : 815,000.55 = 501,343.30 : x
  2. Step 2: Convert to fraction form
    543,333.70/815,000.55 = 501,343.30/x
  3. Step 3: Cross multiply
    543,333.70x = 815,000.55 × 501,343.30
  4. Step 4: Simplify right side
    543,333.70x = 408,595,065,238.82
  5. Step 5: Solve for x
    x = 408,595,065,238.82/543,333.70
  6. Step 6: Final answer
    x = 752,014.95

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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.