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Finding the Fourth Proportional to 969,793.60, 1,453,999.20 and 370,523.20

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Solution

The fourth proportional to 969,793.60, 1,453,999.20 and 370,523.20 is: 555,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,793.60 : 1,453,999.20 = 370,523.20 : x
  2. Step 2: Convert to fraction form
    969,793.60/1,453,999.20 = 370,523.20/x
  3. Step 3: Cross multiply
    969,793.60x = 1,453,999.20 × 370,523.20
  4. Step 4: Simplify right side
    969,793.60x = 538,740,436,381.44
  5. Step 5: Solve for x
    x = 538,740,436,381.44/969,793.60
  6. Step 6: Final answer
    x = 555,520.72

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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.