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Finding the Fourth Proportional to 597,672.80, 897,092.40 and 298,491.20

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Solution

The fourth proportional to 597,672.80, 897,092.40 and 298,491.20 is: 448,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,672.80 : 897,092.40 = 298,491.20 : x
  2. Step 2: Convert to fraction form
    597,672.80/897,092.40 = 298,491.20/x
  3. Step 3: Cross multiply
    597,672.80x = 897,092.40 × 298,491.20
  4. Step 4: Simplify right side
    597,672.80x = 267,774,186,986.88
  5. Step 5: Solve for x
    x = 267,774,186,986.88/597,672.80
  6. Step 6: Final answer
    x = 448,028.06

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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.