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Finding the Fourth Proportional to 449,154.32, 619,774.13 and 267,887.52

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Solution

The fourth proportional to 449,154.32, 619,774.13 and 267,887.52 is: 369,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,154.32 : 619,774.13 = 267,887.52 : x
  2. Step 2: Convert to fraction form
    449,154.32/619,774.13 = 267,887.52/x
  3. Step 3: Cross multiply
    449,154.32x = 619,774.13 × 267,887.52
  4. Step 4: Simplify right side
    449,154.32x = 166,029,755,315.58
  5. Step 5: Solve for x
    x = 166,029,755,315.58/449,154.32
  6. Step 6: Final answer
    x = 369,649.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.