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Finding the Fourth Proportional to 235,924.54, 325,579.57 and 128,494.51

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Solution

The fourth proportional to 235,924.54, 325,579.57 and 128,494.51 is: 177,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,924.54 : 325,579.57 = 128,494.51 : x
  2. Step 2: Convert to fraction form
    235,924.54/325,579.57 = 128,494.51/x
  3. Step 3: Cross multiply
    235,924.54x = 325,579.57 × 128,494.51
  4. Step 4: Simplify right side
    235,924.54x = 41,835,186,177.98
  5. Step 5: Solve for x
    x = 41,835,186,177.98/235,924.54
  6. Step 6: Final answer
    x = 177,324.44

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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.