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Finding the Fourth Proportional to 559,339.36, 839,740.78 and 332,049.92

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Solution

The fourth proportional to 559,339.36, 839,740.78 and 332,049.92 is: 498,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,339.36 : 839,740.78 = 332,049.92 : x
  2. Step 2: Convert to fraction form
    559,339.36/839,740.78 = 332,049.92/x
  3. Step 3: Cross multiply
    559,339.36x = 839,740.78 × 332,049.92
  4. Step 4: Simplify right side
    559,339.36x = 278,835,858,819.74
  5. Step 5: Solve for x
    x = 278,835,858,819.74/559,339.36
  6. Step 6: Final answer
    x = 498,509.27

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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.