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Finding the Fourth Proportional to 264,785.70, 396,522.45 and 169,869.90

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Solution

The fourth proportional to 264,785.70, 396,522.45 and 169,869.90 is: 254,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,785.70 : 396,522.45 = 169,869.90 : x
  2. Step 2: Convert to fraction form
    264,785.70/396,522.45 = 169,869.90/x
  3. Step 3: Cross multiply
    264,785.70x = 396,522.45 × 169,869.90
  4. Step 4: Simplify right side
    264,785.70x = 67,357,228,929.26
  5. Step 5: Solve for x
    x = 67,357,228,929.26/264,785.70
  6. Step 6: Final answer
    x = 254,383.94

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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.