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Finding the Fourth Proportional to 330,276.69, 455,784.17 and 179,373.69

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Solution

The fourth proportional to 330,276.69, 455,784.17 and 179,373.69 is: 247,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,276.69 : 455,784.17 = 179,373.69 : x
  2. Step 2: Convert to fraction form
    330,276.69/455,784.17 = 179,373.69/x
  3. Step 3: Cross multiply
    330,276.69x = 455,784.17 × 179,373.69
  4. Step 4: Simplify right side
    330,276.69x = 81,755,687,519.62
  5. Step 5: Solve for x
    x = 81,755,687,519.62/330,276.69
  6. Step 6: Final answer
    x = 247,536.96

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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.