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Finding the Fourth Proportional to 403,904.40, 605,856.60 and 246,440.40

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Solution

The fourth proportional to 403,904.40, 605,856.60 and 246,440.40 is: 369,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,904.40 : 605,856.60 = 246,440.40 : x
  2. Step 2: Convert to fraction form
    403,904.40/605,856.60 = 246,440.40/x
  3. Step 3: Cross multiply
    403,904.40x = 605,856.60 × 246,440.40
  4. Step 4: Simplify right side
    403,904.40x = 149,307,542,846.64
  5. Step 5: Solve for x
    x = 149,307,542,846.64/403,904.40
  6. Step 6: Final answer
    x = 369,660.60

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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.