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Finding the Fourth Proportional to 424,217.73, 585,405.41 and 233,229.73

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Solution

The fourth proportional to 424,217.73, 585,405.41 and 233,229.73 is: 321,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,217.73 : 585,405.41 = 233,229.73 : x
  2. Step 2: Convert to fraction form
    424,217.73/585,405.41 = 233,229.73/x
  3. Step 3: Cross multiply
    424,217.73x = 585,405.41 × 233,229.73
  4. Step 4: Simplify right side
    424,217.73x = 136,533,944,548.69
  5. Step 5: Solve for x
    x = 136,533,944,548.69/424,217.73
  6. Step 6: Final answer
    x = 321,848.75

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Double scale
Find fourth proportional to 424,218.73, 585,406.78 and 233,230.73
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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.