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Finding the Fourth Proportional to 569,016.80, 853,525.20 and 412,344.80

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Solution

The fourth proportional to 569,016.80, 853,525.20 and 412,344.80 is: 618,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,016.80 : 853,525.20 = 412,344.80 : x
  2. Step 2: Convert to fraction form
    569,016.80/853,525.20 = 412,344.80/x
  3. Step 3: Cross multiply
    569,016.80x = 853,525.20 × 412,344.80
  4. Step 4: Simplify right side
    569,016.80x = 351,946,677,888.96
  5. Step 5: Solve for x
    x = 351,946,677,888.96/569,016.80
  6. Step 6: Final answer
    x = 618,517.20

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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.