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Finding the Fourth Proportional to 236,541, 326,481.42 and 155,983.08

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Solution

The fourth proportional to 236,541, 326,481.42 and 155,983.08 is: 215,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,541 : 326,481.42 = 155,983.08 : x
  2. Step 2: Convert to fraction form
    236,541/326,481.42 = 155,983.08/x
  3. Step 3: Cross multiply
    236,541x = 326,481.42 × 155,983.08
  4. Step 4: Simplify right side
    236,541x = 50,925,577,454.37
  5. Step 5: Solve for x
    x = 50,925,577,454.37/236,541
  6. Step 6: Final answer
    x = 215,292.81

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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.