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Finding the Fourth Proportional to 424,377.92, 585,628.38 and 233,372.72

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Solution

The fourth proportional to 424,377.92, 585,628.38 and 233,372.72 is: 322,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,377.92 : 585,628.38 = 233,372.72 : x
  2. Step 2: Convert to fraction form
    424,377.92/585,628.38 = 233,372.72/x
  3. Step 3: Cross multiply
    424,377.92x = 585,628.38 × 233,372.72
  4. Step 4: Simplify right side
    424,377.92x = 136,669,687,949.79
  5. Step 5: Solve for x
    x = 136,669,687,949.79/424,377.92
  6. Step 6: Final answer
    x = 322,047.12

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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.