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Finding the Fourth Proportional to 379,119.76, 523,301.10 and 233,969.92

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Solution

The fourth proportional to 379,119.76, 523,301.10 and 233,969.92 is: 322,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,119.76 : 523,301.10 = 233,969.92 : x
  2. Step 2: Convert to fraction form
    379,119.76/523,301.10 = 233,969.92/x
  3. Step 3: Cross multiply
    379,119.76x = 523,301.10 × 233,969.92
  4. Step 4: Simplify right side
    379,119.76x = 122,436,716,502.91
  5. Step 5: Solve for x
    x = 122,436,716,502.91/379,119.76
  6. Step 6: Final answer
    x = 322,949.97

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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.