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Finding the Fourth Proportional to 352,663.01, 486,823.87 and 238,096.78

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Solution

The fourth proportional to 352,663.01, 486,823.87 and 238,096.78 is: 328,674.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,663.01 : 486,823.87 = 238,096.78 : x
  2. Step 2: Convert to fraction form
    352,663.01/486,823.87 = 238,096.78/x
  3. Step 3: Cross multiply
    352,663.01x = 486,823.87 × 238,096.78
  4. Step 4: Simplify right side
    352,663.01x = 115,911,193,440.02
  5. Step 5: Solve for x
    x = 115,911,193,440.02/352,663.01
  6. Step 6: Final answer
    x = 328,674.09

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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.