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Finding the Fourth Proportional to 265,698.95, 398,643.48 and 113,832.24

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Solution

The fourth proportional to 265,698.95, 398,643.48 and 113,832.24 is: 170,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,698.95 : 398,643.48 = 113,832.24 : x
  2. Step 2: Convert to fraction form
    265,698.95/398,643.48 = 113,832.24/x
  3. Step 3: Cross multiply
    265,698.95x = 398,643.48 × 113,832.24
  4. Step 4: Simplify right side
    265,698.95x = 45,378,480,289.80
  5. Step 5: Solve for x
    x = 45,378,480,289.80/265,698.95
  6. Step 6: Final answer
    x = 170,789.09

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1.5x scale

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.