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Finding the Fourth Proportional to 424,939.72, 586,405.44 and 233,954.56

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Solution

The fourth proportional to 424,939.72, 586,405.44 and 233,954.56 is: 322,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,939.72 : 586,405.44 = 233,954.56 : x
  2. Step 2: Convert to fraction form
    424,939.72/586,405.44 = 233,954.56/x
  3. Step 3: Cross multiply
    424,939.72x = 586,405.44 × 233,954.56
  4. Step 4: Simplify right side
    424,939.72x = 137,192,226,696.81
  5. Step 5: Solve for x
    x = 137,192,226,696.81/424,939.72
  6. Step 6: Final answer
    x = 322,851.03

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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.