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Finding the Fourth Proportional to 348,517.70, 523,165.35 and 325,675.70

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Solution

The fourth proportional to 348,517.70, 523,165.35 and 325,675.70 is: 488,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,517.70 : 523,165.35 = 325,675.70 : x
  2. Step 2: Convert to fraction form
    348,517.70/523,165.35 = 325,675.70/x
  3. Step 3: Cross multiply
    348,517.70x = 523,165.35 × 325,675.70
  4. Step 4: Simplify right side
    348,517.70x = 170,382,241,577.00
  5. Step 5: Solve for x
    x = 170,382,241,577.00/348,517.70
  6. Step 6: Final answer
    x = 488,876.87

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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.