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Finding the Fourth Proportional to 553,439.33, 758,764.61 and 543,350.24

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Solution

The fourth proportional to 553,439.33, 758,764.61 and 543,350.24 is: 744,932.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,439.33 : 758,764.61 = 543,350.24 : x
  2. Step 2: Convert to fraction form
    553,439.33/758,764.61 = 543,350.24/x
  3. Step 3: Cross multiply
    553,439.33x = 758,764.61 × 543,350.24
  4. Step 4: Simplify right side
    553,439.33x = 412,274,930,511.56
  5. Step 5: Solve for x
    x = 412,274,930,511.56/553,439.33
  6. Step 6: Final answer
    x = 744,932.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.