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Finding the Fourth Proportional to 325,182.78, 487,782.79 and 88,530.30

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Solution

The fourth proportional to 325,182.78, 487,782.79 and 88,530.30 is: 132,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,182.78 : 487,782.79 = 88,530.30 : x
  2. Step 2: Convert to fraction form
    325,182.78/487,782.79 = 88,530.30/x
  3. Step 3: Cross multiply
    325,182.78x = 487,782.79 × 88,530.30
  4. Step 4: Simplify right side
    325,182.78x = 43,183,556,733.54
  5. Step 5: Solve for x
    x = 43,183,556,733.54/325,182.78
  6. Step 6: Final answer
    x = 132,797.80

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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.