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Finding the Fourth Proportional to 280,199.88, 386,675.83 and 179,597.88

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Solution

The fourth proportional to 280,199.88, 386,675.83 and 179,597.88 is: 247,845.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,199.88 : 386,675.83 = 179,597.88 : x
  2. Step 2: Convert to fraction form
    280,199.88/386,675.83 = 179,597.88/x
  3. Step 3: Cross multiply
    280,199.88x = 386,675.83 × 179,597.88
  4. Step 4: Simplify right side
    280,199.88x = 69,446,159,315.24
  5. Step 5: Solve for x
    x = 69,446,159,315.24/280,199.88
  6. Step 6: Final answer
    x = 247,845.07

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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.