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Finding the Fourth Proportional to 559,479.82, 839,951.34 and 332,190.32

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Solution

The fourth proportional to 559,479.82, 839,951.34 and 332,190.32 is: 498,719.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,479.82 : 839,951.34 = 332,190.32 : x
  2. Step 2: Convert to fraction form
    559,479.82/839,951.34 = 332,190.32/x
  3. Step 3: Cross multiply
    559,479.82x = 839,951.34 × 332,190.32
  4. Step 4: Simplify right side
    559,479.82x = 279,023,704,419.03
  5. Step 5: Solve for x
    x = 279,023,704,419.03/559,479.82
  6. Step 6: Final answer
    x = 498,719.87

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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.