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Finding the Fourth Proportional to 366,959.15, 550,438.73 and 307,910.15

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Solution

The fourth proportional to 366,959.15, 550,438.73 and 307,910.15 is: 461,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,959.15 : 550,438.73 = 307,910.15 : x
  2. Step 2: Convert to fraction form
    366,959.15/550,438.73 = 307,910.15/x
  3. Step 3: Cross multiply
    366,959.15x = 550,438.73 × 307,910.15
  4. Step 4: Simplify right side
    366,959.15x = 169,485,671,920.11
  5. Step 5: Solve for x
    x = 169,485,671,920.11/366,959.15
  6. Step 6: Final answer
    x = 461,865.23

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Similar ratio
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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.