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Finding the Fourth Proportional to 422,315.26, 633,502.46 and 169,595.74

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Solution

The fourth proportional to 422,315.26, 633,502.46 and 169,595.74 is: 254,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,315.26 : 633,502.46 = 169,595.74 : x
  2. Step 2: Convert to fraction form
    422,315.26/633,502.46 = 169,595.74/x
  3. Step 3: Cross multiply
    422,315.26x = 633,502.46 × 169,595.74
  4. Step 4: Simplify right side
    422,315.26x = 107,439,318,495.52
  5. Step 5: Solve for x
    x = 107,439,318,495.52/422,315.26
  6. Step 6: Final answer
    x = 254,405.48

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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.