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Finding the Fourth Proportional to 424,324.47, 585,583.65 and 254,525.79

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Solution

The fourth proportional to 424,324.47, 585,583.65 and 254,525.79 is: 351,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,324.47 : 585,583.65 = 254,525.79 : x
  2. Step 2: Convert to fraction form
    424,324.47/585,583.65 = 254,525.79/x
  3. Step 3: Cross multiply
    424,324.47x = 585,583.65 × 254,525.79
  4. Step 4: Simplify right side
    424,324.47x = 149,046,141,127.33
  5. Step 5: Solve for x
    x = 149,046,141,127.33/424,324.47
  6. Step 6: Final answer
    x = 351,255.12

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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.