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Finding the Fourth Proportional to 271,445.95, 406,972.09 and 182,478.79

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Solution

The fourth proportional to 271,445.95, 406,972.09 and 182,478.79 is: 273,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,445.95 : 406,972.09 = 182,478.79 : x
  2. Step 2: Convert to fraction form
    271,445.95/406,972.09 = 182,478.79/x
  3. Step 3: Cross multiply
    271,445.95x = 406,972.09 × 182,478.79
  4. Step 4: Simplify right side
    271,445.95x = 74,263,774,546.97
  5. Step 5: Solve for x
    x = 74,263,774,546.97/271,445.95
  6. Step 6: Final answer
    x = 273,585.86

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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.