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Finding the Fourth Proportional to 403,800.82, 605,315.67 and 151,012.78

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Solution

The fourth proportional to 403,800.82, 605,315.67 and 151,012.78 is: 226,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,800.82 : 605,315.67 = 151,012.78 : x
  2. Step 2: Convert to fraction form
    403,800.82/605,315.67 = 151,012.78/x
  3. Step 3: Cross multiply
    403,800.82x = 605,315.67 × 151,012.78
  4. Step 4: Simplify right side
    403,800.82x = 91,410,402,104.26
  5. Step 5: Solve for x
    x = 91,410,402,104.26/403,800.82
  6. Step 6: Final answer
    x = 226,374.98

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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.