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Finding the Fourth Proportional to 330,516.60, 456,115.80 and 179,613.60

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Solution

The fourth proportional to 330,516.60, 456,115.80 and 179,613.60 is: 247,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,516.60 : 456,115.80 = 179,613.60 : x
  2. Step 2: Convert to fraction form
    330,516.60/456,115.80 = 179,613.60/x
  3. Step 3: Cross multiply
    330,516.60x = 456,115.80 × 179,613.60
  4. Step 4: Simplify right side
    330,516.60x = 81,924,600,854.88
  5. Step 5: Solve for x
    x = 81,924,600,854.88/330,516.60
  6. Step 6: Final answer
    x = 247,868.34

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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.