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Finding the Fourth Proportional to 403,812.76, 605,049.52 and 245,562.52

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Solution

The fourth proportional to 403,812.76, 605,049.52 and 245,562.52 is: 367,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,812.76 : 605,049.52 = 245,562.52 : x
  2. Step 2: Convert to fraction form
    403,812.76/605,049.52 = 245,562.52/x
  3. Step 3: Cross multiply
    403,812.76x = 605,049.52 × 245,562.52
  4. Step 4: Simplify right side
    403,812.76x = 148,577,484,855.99
  5. Step 5: Solve for x
    x = 148,577,484,855.99/403,812.76
  6. Step 6: Final answer
    x = 367,936.58

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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.