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Finding the Fourth Proportional to 490,436.57, 735,562.22 and 153,426.56

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Solution

The fourth proportional to 490,436.57, 735,562.22 and 153,426.56 is: 230,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,436.57 : 735,562.22 = 153,426.56 : x
  2. Step 2: Convert to fraction form
    490,436.57/735,562.22 = 153,426.56/x
  3. Step 3: Cross multiply
    490,436.57x = 735,562.22 × 153,426.56
  4. Step 4: Simplify right side
    490,436.57x = 112,854,776,635.62
  5. Step 5: Solve for x
    x = 112,854,776,635.62/490,436.57
  6. Step 6: Final answer
    x = 230,110.85

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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.