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Finding the Fourth Proportional to 403,862.76, 605,860.56 and 151,230.24

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Solution

The fourth proportional to 403,862.76, 605,860.56 and 151,230.24 is: 226,870.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,862.76 : 605,860.56 = 151,230.24 : x
  2. Step 2: Convert to fraction form
    403,862.76/605,860.56 = 151,230.24/x
  3. Step 3: Cross multiply
    403,862.76x = 605,860.56 × 151,230.24
  4. Step 4: Simplify right side
    403,862.76x = 91,624,437,895.33
  5. Step 5: Solve for x
    x = 91,624,437,895.33/403,862.76
  6. Step 6: Final answer
    x = 226,870.23

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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.