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Finding the Fourth Proportional to 483,957.21, 726,083.51 and 247,466.01

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Solution

The fourth proportional to 483,957.21, 726,083.51 and 247,466.01 is: 371,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,957.21 : 726,083.51 = 247,466.01 : x
  2. Step 2: Convert to fraction form
    483,957.21/726,083.51 = 247,466.01/x
  3. Step 3: Cross multiply
    483,957.21x = 726,083.51 × 247,466.01
  4. Step 4: Simplify right side
    483,957.21x = 179,680,987,909.17
  5. Step 5: Solve for x
    x = 179,680,987,909.17/483,957.21
  6. Step 6: Final answer
    x = 371,274.53

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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.