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Finding the Fourth Proportional to 366,887.48, 550,385.89 and 130,210.34

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Solution

The fourth proportional to 366,887.48, 550,385.89 and 130,210.34 is: 195,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,887.48 : 550,385.89 = 130,210.34 : x
  2. Step 2: Convert to fraction form
    366,887.48/550,385.89 = 130,210.34/x
  3. Step 3: Cross multiply
    366,887.48x = 550,385.89 × 130,210.34
  4. Step 4: Simplify right side
    366,887.48x = 71,665,930,790.65
  5. Step 5: Solve for x
    x = 71,665,930,790.65/366,887.48
  6. Step 6: Final answer
    x = 195,334.91

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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.