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Finding the Fourth Proportional to 702,600, 1,053,915.84 and 253,357.44

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Solution

The fourth proportional to 702,600, 1,053,915.84 and 253,357.44 is: 380,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,600 : 1,053,915.84 = 253,357.44 : x
  2. Step 2: Convert to fraction form
    702,600/1,053,915.84 = 253,357.44/x
  3. Step 3: Cross multiply
    702,600x = 1,053,915.84 × 253,357.44
  4. Step 4: Simplify right side
    702,600x = 267,017,419,197.85
  5. Step 5: Solve for x
    x = 267,017,419,197.85/702,600
  6. Step 6: Final answer
    x = 380,041.87

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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.