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Finding the Fourth Proportional to 424,040.80, 585,151.55 and 233,054.34

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Solution

The fourth proportional to 424,040.80, 585,151.55 and 233,054.34 is: 321,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,040.80 : 585,151.55 = 233,054.34 : x
  2. Step 2: Convert to fraction form
    424,040.80/585,151.55 = 233,054.34/x
  3. Step 3: Cross multiply
    424,040.80x = 585,151.55 × 233,054.34
  4. Step 4: Simplify right side
    424,040.80x = 136,372,104,194.20
  5. Step 5: Solve for x
    x = 136,372,104,194.20/424,040.80
  6. Step 6: Final answer
    x = 321,601.38

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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.