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Finding the Fourth Proportional to 533,001.87, 799,174.75 and 177,920.55

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Solution

The fourth proportional to 533,001.87, 799,174.75 and 177,920.55 is: 266,771.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,001.87 : 799,174.75 = 177,920.55 : x
  2. Step 2: Convert to fraction form
    533,001.87/799,174.75 = 177,920.55/x
  3. Step 3: Cross multiply
    533,001.87x = 799,174.75 × 177,920.55
  4. Step 4: Simplify right side
    533,001.87x = 142,189,611,066.11
  5. Step 5: Solve for x
    x = 142,189,611,066.11/533,001.87
  6. Step 6: Final answer
    x = 266,771.32

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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.