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Finding the Fourth Proportional to 350,793.90, 526,190.85 and 217,824.30

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Solution

The fourth proportional to 350,793.90, 526,190.85 and 217,824.30 is: 326,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,793.90 : 526,190.85 = 217,824.30 : x
  2. Step 2: Convert to fraction form
    350,793.90/526,190.85 = 217,824.30/x
  3. Step 3: Cross multiply
    350,793.90x = 526,190.85 × 217,824.30
  4. Step 4: Simplify right side
    350,793.90x = 114,617,153,567.66
  5. Step 5: Solve for x
    x = 114,617,153,567.66/350,793.90
  6. Step 6: Final answer
    x = 326,736.45

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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.