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Finding the Fourth Proportional to 334,769.06, 461,868.91 and 189,555

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Solution

The fourth proportional to 334,769.06, 461,868.91 and 189,555 is: 261,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,769.06 : 461,868.91 = 189,555 : x
  2. Step 2: Convert to fraction form
    334,769.06/461,868.91 = 189,555/x
  3. Step 3: Cross multiply
    334,769.06x = 461,868.91 × 189,555
  4. Step 4: Simplify right side
    334,769.06x = 87,549,560,287.28
  5. Step 5: Solve for x
    x = 87,549,560,287.28/334,769.06
  6. Step 6: Final answer
    x = 261,522.26

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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.