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Finding the Fourth Proportional to 366,817.40, 550,226.10 and 207,385.10

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Solution

The fourth proportional to 366,817.40, 550,226.10 and 207,385.10 is: 311,077.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,817.40 : 550,226.10 = 207,385.10 : x
  2. Step 2: Convert to fraction form
    366,817.40/550,226.10 = 207,385.10/x
  3. Step 3: Cross multiply
    366,817.40x = 550,226.10 × 207,385.10
  4. Step 4: Simplify right side
    366,817.40x = 114,108,694,771.11
  5. Step 5: Solve for x
    x = 114,108,694,771.11/366,817.40
  6. Step 6: Final answer
    x = 311,077.65

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Similar ratio
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1.5x scale

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.