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Finding the Fourth Proportional to 424,240.76, 585,447 and 233,252.48

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Solution

The fourth proportional to 424,240.76, 585,447 and 233,252.48 is: 321,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,240.76 : 585,447 = 233,252.48 : x
  2. Step 2: Convert to fraction form
    424,240.76/585,447 = 233,252.48/x
  3. Step 3: Cross multiply
    424,240.76x = 585,447 × 233,252.48
  4. Step 4: Simplify right side
    424,240.76x = 136,556,964,658.56
  5. Step 5: Solve for x
    x = 136,556,964,658.56/424,240.76
  6. Step 6: Final answer
    x = 321,885.54

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1.5x scale

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.