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Finding the Fourth Proportional to 297,843.89, 411,024.78 and 170,520.39

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Solution

The fourth proportional to 297,843.89, 411,024.78 and 170,520.39 is: 235,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,843.89 : 411,024.78 = 170,520.39 : x
  2. Step 2: Convert to fraction form
    297,843.89/411,024.78 = 170,520.39/x
  3. Step 3: Cross multiply
    297,843.89x = 411,024.78 × 170,520.39
  4. Step 4: Simplify right side
    297,843.89x = 70,088,105,785.26
  5. Step 5: Solve for x
    x = 70,088,105,785.26/297,843.89
  6. Step 6: Final answer
    x = 235,318.26

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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.