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Finding the Fourth Proportional to 324,468.32, 447,761.60 and 181,230.40

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Solution

The fourth proportional to 324,468.32, 447,761.60 and 181,230.40 is: 250,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,468.32 : 447,761.60 = 181,230.40 : x
  2. Step 2: Convert to fraction form
    324,468.32/447,761.60 = 181,230.40/x
  3. Step 3: Cross multiply
    324,468.32x = 447,761.60 × 181,230.40
  4. Step 4: Simplify right side
    324,468.32x = 81,148,013,872.64
  5. Step 5: Solve for x
    x = 81,148,013,872.64/324,468.32
  6. Step 6: Final answer
    x = 250,095.34

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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.