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Finding the Fourth Proportional to 569,016.30, 853,524.45 and 412,344.30

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Solution

The fourth proportional to 569,016.30, 853,524.45 and 412,344.30 is: 618,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,016.30 : 853,524.45 = 412,344.30 : x
  2. Step 2: Convert to fraction form
    569,016.30/853,524.45 = 412,344.30/x
  3. Step 3: Cross multiply
    569,016.30x = 853,524.45 × 412,344.30
  4. Step 4: Simplify right side
    569,016.30x = 351,945,941,868.14
  5. Step 5: Solve for x
    x = 351,945,941,868.14/569,016.30
  6. Step 6: Final answer
    x = 618,516.45

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Half scale
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Double scale
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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.