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Finding the Fourth Proportional to 552,675.60, 829,013.40 and 543,344.40

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Solution

The fourth proportional to 552,675.60, 829,013.40 and 543,344.40 is: 815,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,675.60 : 829,013.40 = 543,344.40 : x
  2. Step 2: Convert to fraction form
    552,675.60/829,013.40 = 543,344.40/x
  3. Step 3: Cross multiply
    552,675.60x = 829,013.40 × 543,344.40
  4. Step 4: Simplify right side
    552,675.60x = 450,439,788,414.96
  5. Step 5: Solve for x
    x = 450,439,788,414.96/552,675.60
  6. Step 6: Final answer
    x = 815,016.60

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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.