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Finding the Fourth Proportional to 259,502.48, 389,227 and 69,954.96

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Solution

The fourth proportional to 259,502.48, 389,227 and 69,954.96 is: 104,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,502.48 : 389,227 = 69,954.96 : x
  2. Step 2: Convert to fraction form
    259,502.48/389,227 = 69,954.96/x
  3. Step 3: Cross multiply
    259,502.48x = 389,227 × 69,954.96
  4. Step 4: Simplify right side
    259,502.48x = 27,228,359,215.92
  5. Step 5: Solve for x
    x = 27,228,359,215.92/259,502.48
  6. Step 6: Final answer
    x = 104,925.24

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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.