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Finding the Fourth Proportional to 366,932.70, 550,371.70 and 153,645.53

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Solution

The fourth proportional to 366,932.70, 550,371.70 and 153,645.53 is: 230,456.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,932.70 : 550,371.70 = 153,645.53 : x
  2. Step 2: Convert to fraction form
    366,932.70/550,371.70 = 153,645.53/x
  3. Step 3: Cross multiply
    366,932.70x = 550,371.70 × 153,645.53
  4. Step 4: Simplify right side
    366,932.70x = 84,562,151,543.50
  5. Step 5: Solve for x
    x = 84,562,151,543.50/366,932.70
  6. Step 6: Final answer
    x = 230,456.84

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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.