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Finding the Fourth Proportional to 329,074.92, 493,510.20 and 118,685.52

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Solution

The fourth proportional to 329,074.92, 493,510.20 and 118,685.52 is: 177,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,074.92 : 493,510.20 = 118,685.52 : x
  2. Step 2: Convert to fraction form
    329,074.92/493,510.20 = 118,685.52/x
  3. Step 3: Cross multiply
    329,074.92x = 493,510.20 × 118,685.52
  4. Step 4: Simplify right side
    329,074.92x = 58,572,514,712.30
  5. Step 5: Solve for x
    x = 58,572,514,712.30/329,074.92
  6. Step 6: Final answer
    x = 177,991.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.