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Finding the Fourth Proportional to 483,915.60, 726,021.02 and 247,424.36

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Solution

The fourth proportional to 483,915.60, 726,021.02 and 247,424.36 is: 371,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,915.60 : 726,021.02 = 247,424.36 : x
  2. Step 2: Convert to fraction form
    483,915.60/726,021.02 = 247,424.36/x
  3. Step 3: Cross multiply
    483,915.60x = 726,021.02 × 247,424.36
  4. Step 4: Simplify right side
    483,915.60x = 179,635,283,208.50
  5. Step 5: Solve for x
    x = 179,635,283,208.50/483,915.60
  6. Step 6: Final answer
    x = 371,212.01

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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.