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Finding the Fourth Proportional to 530,825.50, 796,580.81 and 193,837.95

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Solution

The fourth proportional to 530,825.50, 796,580.81 and 193,837.95 is: 290,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,825.50 : 796,580.81 = 193,837.95 : x
  2. Step 2: Convert to fraction form
    530,825.50/796,580.81 = 193,837.95/x
  3. Step 3: Cross multiply
    530,825.50x = 796,580.81 × 193,837.95
  4. Step 4: Simplify right side
    530,825.50x = 154,407,591,219.74
  5. Step 5: Solve for x
    x = 154,407,591,219.74/530,825.50
  6. Step 6: Final answer
    x = 290,882.02

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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.