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Finding the Fourth Proportional to 271,726.20, 407,589.30 and 253,294.20

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Solution

The fourth proportional to 271,726.20, 407,589.30 and 253,294.20 is: 379,941.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,726.20 : 407,589.30 = 253,294.20 : x
  2. Step 2: Convert to fraction form
    271,726.20/407,589.30 = 253,294.20/x
  3. Step 3: Cross multiply
    271,726.20x = 407,589.30 × 253,294.20
  4. Step 4: Simplify right side
    271,726.20x = 103,240,005,672.06
  5. Step 5: Solve for x
    x = 103,240,005,672.06/271,726.20
  6. Step 6: Final answer
    x = 379,941.30

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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.