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Finding the Fourth Proportional to 366,907.10, 550,360.65 and 219,451.10

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Solution

The fourth proportional to 366,907.10, 550,360.65 and 219,451.10 is: 329,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.10 : 550,360.65 = 219,451.10 : x
  2. Step 2: Convert to fraction form
    366,907.10/550,360.65 = 219,451.10/x
  3. Step 3: Cross multiply
    366,907.10x = 550,360.65 × 219,451.10
  4. Step 4: Simplify right side
    366,907.10x = 120,777,250,039.22
  5. Step 5: Solve for x
    x = 120,777,250,039.22/366,907.10
  6. Step 6: Final answer
    x = 329,176.65

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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.