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Finding the Fourth Proportional to 231,331, 346,600.08 and 155,287.16

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Solution

The fourth proportional to 231,331, 346,600.08 and 155,287.16 is: 232,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,331 : 346,600.08 = 155,287.16 : x
  2. Step 2: Convert to fraction form
    231,331/346,600.08 = 155,287.16/x
  3. Step 3: Cross multiply
    231,331x = 346,600.08 × 155,287.16
  4. Step 4: Simplify right side
    231,331x = 53,822,542,078.97
  5. Step 5: Solve for x
    x = 53,822,542,078.97/231,331
  6. Step 6: Final answer
    x = 232,664.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.