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Finding the Fourth Proportional to 324,658.10, 448,019.55 and 181,419.32

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Solution

The fourth proportional to 324,658.10, 448,019.55 and 181,419.32 is: 250,353.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,658.10 : 448,019.55 = 181,419.32 : x
  2. Step 2: Convert to fraction form
    324,658.10/448,019.55 = 181,419.32/x
  3. Step 3: Cross multiply
    324,658.10x = 448,019.55 × 181,419.32
  4. Step 4: Simplify right side
    324,658.10x = 81,279,403,227.75
  5. Step 5: Solve for x
    x = 81,279,403,227.75/324,658.10
  6. Step 6: Final answer
    x = 250,353.84

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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.