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Finding the Fourth Proportional to 543,651.37, 815,756.88 and 224,039.39

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Solution

The fourth proportional to 543,651.37, 815,756.88 and 224,039.39 is: 336,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,651.37 : 815,756.88 = 224,039.39 : x
  2. Step 2: Convert to fraction form
    543,651.37/815,756.88 = 224,039.39/x
  3. Step 3: Cross multiply
    543,651.37x = 815,756.88 × 224,039.39
  4. Step 4: Simplify right side
    543,651.37x = 182,761,672,663.31
  5. Step 5: Solve for x
    x = 182,761,672,663.31/543,651.37
  6. Step 6: Final answer
    x = 336,174.40

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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.