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Finding the Fourth Proportional to 265,739.52, 366,513.18 and 170,255.16

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Solution

The fourth proportional to 265,739.52, 366,513.18 and 170,255.16 is: 234,819.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,739.52 : 366,513.18 = 170,255.16 : x
  2. Step 2: Convert to fraction form
    265,739.52/366,513.18 = 170,255.16/x
  3. Step 3: Cross multiply
    265,739.52x = 366,513.18 × 170,255.16
  4. Step 4: Simplify right side
    265,739.52x = 62,400,760,103.01
  5. Step 5: Solve for x
    x = 62,400,760,103.01/265,739.52
  6. Step 6: Final answer
    x = 234,819.27

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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.