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Finding the Fourth Proportional to 379,118.76, 523,299.72 and 233,968.92

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Solution

The fourth proportional to 379,118.76, 523,299.72 and 233,968.92 is: 322,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,118.76 : 523,299.72 = 233,968.92 : x
  2. Step 2: Convert to fraction form
    379,118.76/523,299.72 = 233,968.92/x
  3. Step 3: Cross multiply
    379,118.76x = 523,299.72 × 233,968.92
  4. Step 4: Simplify right side
    379,118.76x = 122,435,870,324.70
  5. Step 5: Solve for x
    x = 122,435,870,324.70/379,118.76
  6. Step 6: Final answer
    x = 322,948.59

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Double scale
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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.