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Finding the Fourth Proportional to 334,561.84, 461,635.75 and 189,366.91

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Solution

The fourth proportional to 334,561.84, 461,635.75 and 189,366.91 is: 261,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,561.84 : 461,635.75 = 189,366.91 : x
  2. Step 2: Convert to fraction form
    334,561.84/461,635.75 = 189,366.91/x
  3. Step 3: Cross multiply
    334,561.84x = 461,635.75 × 189,366.91
  4. Step 4: Simplify right side
    334,561.84x = 87,418,535,523.03
  5. Step 5: Solve for x
    x = 87,418,535,523.03/334,561.84
  6. Step 6: Final answer
    x = 261,292.61

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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.