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Finding the Fourth Proportional to 403,699.52, 605,622.24 and 166,913.60

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Solution

The fourth proportional to 403,699.52, 605,622.24 and 166,913.60 is: 250,400.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,699.52 : 605,622.24 = 166,913.60 : x
  2. Step 2: Convert to fraction form
    403,699.52/605,622.24 = 166,913.60/x
  3. Step 3: Cross multiply
    403,699.52x = 605,622.24 × 166,913.60
  4. Step 4: Simplify right side
    403,699.52x = 101,086,588,318.46
  5. Step 5: Solve for x
    x = 101,086,588,318.46/403,699.52
  6. Step 6: Final answer
    x = 250,400.57

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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.