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Finding the Fourth Proportional to 301,439.39, 416,181.22 and 186,839.91

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Solution

The fourth proportional to 301,439.39, 416,181.22 and 186,839.91 is: 257,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,439.39 : 416,181.22 = 186,839.91 : x
  2. Step 2: Convert to fraction form
    301,439.39/416,181.22 = 186,839.91/x
  3. Step 3: Cross multiply
    301,439.39x = 416,181.22 × 186,839.91
  4. Step 4: Simplify right side
    301,439.39x = 77,759,261,221.39
  5. Step 5: Solve for x
    x = 77,759,261,221.39/301,439.39
  6. Step 6: Final answer
    x = 257,959.86

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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.