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Finding the Fourth Proportional to 329,168.72, 493,753.80 and 118,955.12

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Solution

The fourth proportional to 329,168.72, 493,753.80 and 118,955.12 is: 178,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,168.72 : 493,753.80 = 118,955.12 : x
  2. Step 2: Convert to fraction form
    329,168.72/493,753.80 = 118,955.12/x
  3. Step 3: Cross multiply
    329,168.72x = 493,753.80 × 118,955.12
  4. Step 4: Simplify right side
    329,168.72x = 58,734,542,529.46
  5. Step 5: Solve for x
    x = 58,734,542,529.46/329,168.72
  6. Step 6: Final answer
    x = 178,432.94

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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.