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Finding the Fourth Proportional to 569,600.40, 853,234.20 and 289,275.60

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Solution

The fourth proportional to 569,600.40, 853,234.20 and 289,275.60 is: 433,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,600.40 : 853,234.20 = 289,275.60 : x
  2. Step 2: Convert to fraction form
    569,600.40/853,234.20 = 289,275.60/x
  3. Step 3: Cross multiply
    569,600.40x = 853,234.20 × 289,275.60
  4. Step 4: Simplify right side
    569,600.40x = 246,819,835,145.52
  5. Step 5: Solve for x
    x = 246,819,835,145.52/569,600.40
  6. Step 6: Final answer
    x = 433,321.04

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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.