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Finding the Fourth Proportional to 356,709.92, 492,256.50 and 195,562.04

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Solution

The fourth proportional to 356,709.92, 492,256.50 and 195,562.04 is: 269,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,709.92 : 492,256.50 = 195,562.04 : x
  2. Step 2: Convert to fraction form
    356,709.92/492,256.50 = 195,562.04/x
  3. Step 3: Cross multiply
    356,709.92x = 492,256.50 × 195,562.04
  4. Step 4: Simplify right side
    356,709.92x = 96,266,685,343.26
  5. Step 5: Solve for x
    x = 96,266,685,343.26/356,709.92
  6. Step 6: Final answer
    x = 269,873.87

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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.