Home / 379,233.27-523,338.57-209,463.75

Finding the Fourth Proportional to 379,233.27, 523,338.57 and 209,463.75

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Solution

The fourth proportional to 379,233.27, 523,338.57 and 209,463.75 is: 289,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,233.27 : 523,338.57 = 209,463.75 : x
  2. Step 2: Convert to fraction form
    379,233.27/523,338.57 = 209,463.75/x
  3. Step 3: Cross multiply
    379,233.27x = 523,338.57 × 209,463.75
  4. Step 4: Simplify right side
    379,233.27x = 109,620,459,391.84
  5. Step 5: Solve for x
    x = 109,620,459,391.84/379,233.27
  6. Step 6: Final answer
    x = 289,058.13

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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.