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Finding the Fourth Proportional to 341,392.32, 471,121.92 and 190,489.68

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Solution

The fourth proportional to 341,392.32, 471,121.92 and 190,489.68 is: 262,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,392.32 : 471,121.92 = 190,489.68 : x
  2. Step 2: Convert to fraction form
    341,392.32/471,121.92 = 190,489.68/x
  3. Step 3: Cross multiply
    341,392.32x = 471,121.92 × 190,489.68
  4. Step 4: Simplify right side
    341,392.32x = 89,743,863,781.79
  5. Step 5: Solve for x
    x = 89,743,863,781.79/341,392.32
  6. Step 6: Final answer
    x = 262,876.05

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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.