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Finding the Fourth Proportional to 379,501.94, 523,695.48 and 234,372.62

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Solution

The fourth proportional to 379,501.94, 523,695.48 and 234,372.62 is: 323,423.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,501.94 : 523,695.48 = 234,372.62 : x
  2. Step 2: Convert to fraction form
    379,501.94/523,695.48 = 234,372.62/x
  3. Step 3: Cross multiply
    379,501.94x = 523,695.48 × 234,372.62
  4. Step 4: Simplify right side
    379,501.94x = 122,739,882,160.10
  5. Step 5: Solve for x
    x = 122,739,882,160.10/379,501.94
  6. Step 6: Final answer
    x = 323,423.59

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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.