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Finding the Fourth Proportional to 271,586.80, 407,379.84 and 153,204.40

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Solution

The fourth proportional to 271,586.80, 407,379.84 and 153,204.40 is: 229,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,586.80 : 407,379.84 = 153,204.40 : x
  2. Step 2: Convert to fraction form
    271,586.80/407,379.84 = 153,204.40/x
  3. Step 3: Cross multiply
    271,586.80x = 407,379.84 × 153,204.40
  4. Step 4: Simplify right side
    271,586.80x = 62,412,383,959.30
  5. Step 5: Solve for x
    x = 62,412,383,959.30/271,586.80
  6. Step 6: Final answer
    x = 229,806.40

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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.