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Finding the Fourth Proportional to 330,494.72, 456,081.92 and 179,594.24

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Solution

The fourth proportional to 330,494.72, 456,081.92 and 179,594.24 is: 247,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,494.72 : 456,081.92 = 179,594.24 : x
  2. Step 2: Convert to fraction form
    330,494.72/456,081.92 = 179,594.24/x
  3. Step 3: Cross multiply
    330,494.72x = 456,081.92 × 179,594.24
  4. Step 4: Simplify right side
    330,494.72x = 81,909,685,800.14
  5. Step 5: Solve for x
    x = 81,909,685,800.14/330,494.72
  6. Step 6: Final answer
    x = 247,839.62

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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.