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Finding the Fourth Proportional to 569,062.40, 853,593.60 and 285,627.20

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Solution

The fourth proportional to 569,062.40, 853,593.60 and 285,627.20 is: 428,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,062.40 : 853,593.60 = 285,627.20 : x
  2. Step 2: Convert to fraction form
    569,062.40/853,593.60 = 285,627.20/x
  3. Step 3: Cross multiply
    569,062.40x = 853,593.60 × 285,627.20
  4. Step 4: Simplify right side
    569,062.40x = 243,809,549,905.92
  5. Step 5: Solve for x
    x = 243,809,549,905.92/569,062.40
  6. Step 6: Final answer
    x = 428,440.80

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Similar ratio
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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.