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Finding the Fourth Proportional to 330,672.72, 496,084.08 and 106,048.80

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Solution

The fourth proportional to 330,672.72, 496,084.08 and 106,048.80 is: 159,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,672.72 : 496,084.08 = 106,048.80 : x
  2. Step 2: Convert to fraction form
    330,672.72/496,084.08 = 106,048.80/x
  3. Step 3: Cross multiply
    330,672.72x = 496,084.08 × 106,048.80
  4. Step 4: Simplify right side
    330,672.72x = 52,609,121,383.10
  5. Step 5: Solve for x
    x = 52,609,121,383.10/330,672.72
  6. Step 6: Final answer
    x = 159,097.25

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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.