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Finding the Fourth Proportional to 330,152.76, 455,615.82 and 179,249.76

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Solution

The fourth proportional to 330,152.76, 455,615.82 and 179,249.76 is: 247,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,152.76 : 455,615.82 = 179,249.76 : x
  2. Step 2: Convert to fraction form
    330,152.76/455,615.82 = 179,249.76/x
  3. Step 3: Cross multiply
    330,152.76x = 455,615.82 × 179,249.76
  4. Step 4: Simplify right side
    330,152.76x = 81,669,026,387.20
  5. Step 5: Solve for x
    x = 81,669,026,387.20/330,152.76
  6. Step 6: Final answer
    x = 247,367.39

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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.