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Finding the Fourth Proportional to 424,073.80, 585,220.98 and 233,086.60

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Solution

The fourth proportional to 424,073.80, 585,220.98 and 233,086.60 is: 321,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,073.80 : 585,220.98 = 233,086.60 : x
  2. Step 2: Convert to fraction form
    424,073.80/585,220.98 = 233,086.60/x
  3. Step 3: Cross multiply
    424,073.80x = 585,220.98 × 233,086.60
  4. Step 4: Simplify right side
    424,073.80x = 136,407,168,476.87
  5. Step 5: Solve for x
    x = 136,407,168,476.87/424,073.80
  6. Step 6: Final answer
    x = 321,659.03

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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.