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Finding the Fourth Proportional to 454,872.40, 682,308.60 and 349,896.40

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Solution

The fourth proportional to 454,872.40, 682,308.60 and 349,896.40 is: 524,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,872.40 : 682,308.60 = 349,896.40 : x
  2. Step 2: Convert to fraction form
    454,872.40/682,308.60 = 349,896.40/x
  3. Step 3: Cross multiply
    454,872.40x = 682,308.60 × 349,896.40
  4. Step 4: Simplify right side
    454,872.40x = 238,737,322,829.04
  5. Step 5: Solve for x
    x = 238,737,322,829.04/454,872.40
  6. Step 6: Final answer
    x = 524,844.60

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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.