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Finding the Fourth Proportional to 461,687.80, 693,114.90 and 248,625.40

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Solution

The fourth proportional to 461,687.80, 693,114.90 and 248,625.40 is: 373,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,687.80 : 693,114.90 = 248,625.40 : x
  2. Step 2: Convert to fraction form
    461,687.80/693,114.90 = 248,625.40/x
  3. Step 3: Cross multiply
    461,687.80x = 693,114.90 × 248,625.40
  4. Step 4: Simplify right side
    461,687.80x = 172,325,969,258.46
  5. Step 5: Solve for x
    x = 172,325,969,258.46/461,687.80
  6. Step 6: Final answer
    x = 373,252.16

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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.