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Finding the Fourth Proportional to 411,735.61, 568,065.62 and 230,418.73

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Solution

The fourth proportional to 411,735.61, 568,065.62 and 230,418.73 is: 317,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,735.61 : 568,065.62 = 230,418.73 : x
  2. Step 2: Convert to fraction form
    411,735.61/568,065.62 = 230,418.73/x
  3. Step 3: Cross multiply
    411,735.61x = 568,065.62 × 230,418.73
  4. Step 4: Simplify right side
    411,735.61x = 130,892,960,003.19
  5. Step 5: Solve for x
    x = 130,892,960,003.19/411,735.61
  6. Step 6: Final answer
    x = 317,905.37

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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.