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Finding the Fourth Proportional to 280,197.88, 386,673.07 and 179,595.88

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Solution

The fourth proportional to 280,197.88, 386,673.07 and 179,595.88 is: 247,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,197.88 : 386,673.07 = 179,595.88 : x
  2. Step 2: Convert to fraction form
    280,197.88/386,673.07 = 179,595.88/x
  3. Step 3: Cross multiply
    280,197.88x = 386,673.07 × 179,595.88
  4. Step 4: Simplify right side
    280,197.88x = 69,444,888,345.59
  5. Step 5: Solve for x
    x = 69,444,888,345.59/280,197.88
  6. Step 6: Final answer
    x = 247,842.31

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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.