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Finding the Fourth Proportional to 334,532.48, 461,661.70 and 189,338.25

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Solution

The fourth proportional to 334,532.48, 461,661.70 and 189,338.25 is: 261,290.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,532.48 : 461,661.70 = 189,338.25 : x
  2. Step 2: Convert to fraction form
    334,532.48/461,661.70 = 189,338.25/x
  3. Step 3: Cross multiply
    334,532.48x = 461,661.70 × 189,338.25
  4. Step 4: Simplify right side
    334,532.48x = 87,410,218,961.71
  5. Step 5: Solve for x
    x = 87,410,218,961.71/334,532.48
  6. Step 6: Final answer
    x = 261,290.68

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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.