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Finding the Fourth Proportional to 403,902.26, 605,957.20 and 151,186.37

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Solution

The fourth proportional to 403,902.26, 605,957.20 and 151,186.37 is: 226,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,902.26 : 605,957.20 = 151,186.37 : x
  2. Step 2: Convert to fraction form
    403,902.26/605,957.20 = 151,186.37/x
  3. Step 3: Cross multiply
    403,902.26x = 605,957.20 × 151,186.37
  4. Step 4: Simplify right side
    403,902.26x = 91,612,466,035.61
  5. Step 5: Solve for x
    x = 91,612,466,035.61/403,902.26
  6. Step 6: Final answer
    x = 226,818.40

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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.