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Finding the Fourth Proportional to 533,526.78, 800,388.72 and 168,880.17

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Solution

The fourth proportional to 533,526.78, 800,388.72 and 168,880.17 is: 253,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,526.78 : 800,388.72 = 168,880.17 : x
  2. Step 2: Convert to fraction form
    533,526.78/800,388.72 = 168,880.17/x
  3. Step 3: Cross multiply
    533,526.78x = 800,388.72 × 168,880.17
  4. Step 4: Simplify right side
    533,526.78x = 135,169,783,099.68
  5. Step 5: Solve for x
    x = 135,169,783,099.68/533,526.78
  6. Step 6: Final answer
    x = 253,351.45

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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.