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Finding the Fourth Proportional to 469,231.08, 703,853.48 and 324,994.65

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Solution

The fourth proportional to 469,231.08, 703,853.48 and 324,994.65 is: 487,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,231.08 : 703,853.48 = 324,994.65 : x
  2. Step 2: Convert to fraction form
    469,231.08/703,853.48 = 324,994.65/x
  3. Step 3: Cross multiply
    469,231.08x = 703,853.48 × 324,994.65
  4. Step 4: Simplify right side
    469,231.08x = 228,748,615,383.88
  5. Step 5: Solve for x
    x = 228,748,615,383.88/469,231.08
  6. Step 6: Final answer
    x = 487,496.73

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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.