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Finding the Fourth Proportional to 530,221.14, 796,660.31 and 498,334.68

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Solution

The fourth proportional to 530,221.14, 796,660.31 and 498,334.68 is: 748,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,221.14 : 796,660.31 = 498,334.68 : x
  2. Step 2: Convert to fraction form
    530,221.14/796,660.31 = 498,334.68/x
  3. Step 3: Cross multiply
    530,221.14x = 796,660.31 × 498,334.68
  4. Step 4: Simplify right side
    530,221.14x = 397,003,461,898.39
  5. Step 5: Solve for x
    x = 397,003,461,898.39/530,221.14
  6. Step 6: Final answer
    x = 748,750.72

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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.