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Finding the Fourth Proportional to 300,974.68, 451,505.76 and 160,656.76

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Solution

The fourth proportional to 300,974.68, 451,505.76 and 160,656.76 is: 241,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,974.68 : 451,505.76 = 160,656.76 : x
  2. Step 2: Convert to fraction form
    300,974.68/451,505.76 = 160,656.76/x
  3. Step 3: Cross multiply
    300,974.68x = 451,505.76 × 160,656.76
  4. Step 4: Simplify right side
    300,974.68x = 72,537,452,522.94
  5. Step 5: Solve for x
    x = 72,537,452,522.94/300,974.68
  6. Step 6: Final answer
    x = 241,008.49

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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.