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Finding the Fourth Proportional to 530,990.34, 796,007.26 and 193,794.40

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Solution

The fourth proportional to 530,990.34, 796,007.26 and 193,794.40 is: 290,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,990.34 : 796,007.26 = 193,794.40 : x
  2. Step 2: Convert to fraction form
    530,990.34/796,007.26 = 193,794.40/x
  3. Step 3: Cross multiply
    530,990.34x = 796,007.26 × 193,794.40
  4. Step 4: Simplify right side
    530,990.34x = 154,261,749,347.34
  5. Step 5: Solve for x
    x = 154,261,749,347.34/530,990.34
  6. Step 6: Final answer
    x = 290,517.05

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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.