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Finding the Fourth Proportional to 366,957.33, 550,408.65 and 153,670.15

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Solution

The fourth proportional to 366,957.33, 550,408.65 and 153,670.15 is: 230,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,957.33 : 550,408.65 = 153,670.15 : x
  2. Step 2: Convert to fraction form
    366,957.33/550,408.65 = 153,670.15/x
  3. Step 3: Cross multiply
    366,957.33x = 550,408.65 × 153,670.15
  4. Step 4: Simplify right side
    366,957.33x = 84,581,379,806.80
  5. Step 5: Solve for x
    x = 84,581,379,806.80/366,957.33
  6. Step 6: Final answer
    x = 230,493.77

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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.