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Finding the Fourth Proportional to 569,115.20, 853,672.80 and 303,394.70

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Solution

The fourth proportional to 569,115.20, 853,672.80 and 303,394.70 is: 455,092.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,115.20 : 853,672.80 = 303,394.70 : x
  2. Step 2: Convert to fraction form
    569,115.20/853,672.80 = 303,394.70/x
  3. Step 3: Cross multiply
    569,115.20x = 853,672.80 × 303,394.70
  4. Step 4: Simplify right side
    569,115.20x = 258,999,803,054.16
  5. Step 5: Solve for x
    x = 258,999,803,054.16/569,115.20
  6. Step 6: Final answer
    x = 455,092.05

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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.