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Finding the Fourth Proportional to 265,937.28, 366,805.56 and 158,424.36

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Solution

The fourth proportional to 265,937.28, 366,805.56 and 158,424.36 is: 218,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,937.28 : 366,805.56 = 158,424.36 : x
  2. Step 2: Convert to fraction form
    265,937.28/366,805.56 = 158,424.36/x
  3. Step 3: Cross multiply
    265,937.28x = 366,805.56 × 158,424.36
  4. Step 4: Simplify right side
    265,937.28x = 58,110,936,087.44
  5. Step 5: Solve for x
    x = 58,110,936,087.44/265,937.28
  6. Step 6: Final answer
    x = 218,513.69

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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.