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Finding the Fourth Proportional to 330,151.86, 455,609.58 and 179,248.86

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Solution

The fourth proportional to 330,151.86, 455,609.58 and 179,248.86 is: 247,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,151.86 : 455,609.58 = 179,248.86 : x
  2. Step 2: Convert to fraction form
    330,151.86/455,609.58 = 179,248.86/x
  3. Step 3: Cross multiply
    330,151.86x = 455,609.58 × 179,248.86
  4. Step 4: Simplify right side
    330,151.86x = 81,667,497,820.08
  5. Step 5: Solve for x
    x = 81,667,497,820.08/330,151.86
  6. Step 6: Final answer
    x = 247,363.43

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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.