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Finding the Fourth Proportional to 424,212.48, 585,414.72 and 233,237.88

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Solution

The fourth proportional to 424,212.48, 585,414.72 and 233,237.88 is: 321,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,212.48 : 585,414.72 = 233,237.88 : x
  2. Step 2: Convert to fraction form
    424,212.48/585,414.72 = 233,237.88/x
  3. Step 3: Cross multiply
    424,212.48x = 585,414.72 × 233,237.88
  4. Step 4: Simplify right side
    424,212.48x = 136,540,888,213.59
  5. Step 5: Solve for x
    x = 136,540,888,213.59/424,212.48
  6. Step 6: Final answer
    x = 321,869.10

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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.