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Finding the Fourth Proportional to 367,091.10, 550,264.86 and 248,774.40

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Solution

The fourth proportional to 367,091.10, 550,264.86 and 248,774.40 is: 372,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,091.10 : 550,264.86 = 248,774.40 : x
  2. Step 2: Convert to fraction form
    367,091.10/550,264.86 = 248,774.40/x
  3. Step 3: Cross multiply
    367,091.10x = 550,264.86 × 248,774.40
  4. Step 4: Simplify right side
    367,091.10x = 136,891,810,387.58
  5. Step 5: Solve for x
    x = 136,891,810,387.58/367,091.10
  6. Step 6: Final answer
    x = 372,909.64

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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.