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Finding the Fourth Proportional to 265,208.58, 396,719.37 and 170,292.78

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Solution

The fourth proportional to 265,208.58, 396,719.37 and 170,292.78 is: 254,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,208.58 : 396,719.37 = 170,292.78 : x
  2. Step 2: Convert to fraction form
    265,208.58/396,719.37 = 170,292.78/x
  3. Step 3: Cross multiply
    265,208.58x = 396,719.37 × 170,292.78
  4. Step 4: Simplify right side
    265,208.58x = 67,558,444,397.15
  5. Step 5: Solve for x
    x = 67,558,444,397.15/265,208.58
  6. Step 6: Final answer
    x = 254,737.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.