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Finding the Fourth Proportional to 296,044.75, 408,551.48 and 161,908.75

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Solution

The fourth proportional to 296,044.75, 408,551.48 and 161,908.75 is: 223,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,044.75 : 408,551.48 = 161,908.75 : x
  2. Step 2: Convert to fraction form
    296,044.75/408,551.48 = 161,908.75/x
  3. Step 3: Cross multiply
    296,044.75x = 408,551.48 × 161,908.75
  4. Step 4: Simplify right side
    296,044.75x = 66,148,059,437.45
  5. Step 5: Solve for x
    x = 66,148,059,437.45/296,044.75
  6. Step 6: Final answer
    x = 223,439.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.