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Finding the Fourth Proportional to 324,832.36, 487,301.08 and 100,140.22

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Solution

The fourth proportional to 324,832.36, 487,301.08 and 100,140.22 is: 150,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,832.36 : 487,301.08 = 100,140.22 : x
  2. Step 2: Convert to fraction form
    324,832.36/487,301.08 = 100,140.22/x
  3. Step 3: Cross multiply
    324,832.36x = 487,301.08 × 100,140.22
  4. Step 4: Simplify right side
    324,832.36x = 48,798,437,357.44
  5. Step 5: Solve for x
    x = 48,798,437,357.44/324,832.36
  6. Step 6: Final answer
    x = 150,226.53

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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.