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Finding the Fourth Proportional to 493,538.88, 681,083.88 and 267,184.38

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Solution

The fourth proportional to 493,538.88, 681,083.88 and 267,184.38 is: 368,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,538.88 : 681,083.88 = 267,184.38 : x
  2. Step 2: Convert to fraction form
    493,538.88/681,083.88 = 267,184.38/x
  3. Step 3: Cross multiply
    493,538.88x = 681,083.88 × 267,184.38
  4. Step 4: Simplify right side
    493,538.88x = 181,974,974,205.79
  5. Step 5: Solve for x
    x = 181,974,974,205.79/493,538.88
  6. Step 6: Final answer
    x = 368,714.57

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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.