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Finding the Fourth Proportional to 330,320.80, 455,842.08 and 179,417.44

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Solution

The fourth proportional to 330,320.80, 455,842.08 and 179,417.44 is: 247,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,320.80 : 455,842.08 = 179,417.44 : x
  2. Step 2: Convert to fraction form
    330,320.80/455,842.08 = 179,417.44/x
  3. Step 3: Cross multiply
    330,320.80x = 455,842.08 × 179,417.44
  4. Step 4: Simplify right side
    330,320.80x = 81,786,019,037.88
  5. Step 5: Solve for x
    x = 81,786,019,037.88/330,320.80
  6. Step 6: Final answer
    x = 247,595.73

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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.