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Finding the Fourth Proportional to 567,015.40, 850,523.10 and 547,769.80

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Solution

The fourth proportional to 567,015.40, 850,523.10 and 547,769.80 is: 821,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,015.40 : 850,523.10 = 547,769.80 : x
  2. Step 2: Convert to fraction form
    567,015.40/850,523.10 = 547,769.80/x
  3. Step 3: Cross multiply
    567,015.40x = 850,523.10 × 547,769.80
  4. Step 4: Simplify right side
    567,015.40x = 465,890,868,382.38
  5. Step 5: Solve for x
    x = 465,890,868,382.38/567,015.40
  6. Step 6: Final answer
    x = 821,654.70

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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.