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Finding the Fourth Proportional to 483,098.18, 666,662.67 and 268,232.72

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Solution

The fourth proportional to 483,098.18, 666,662.67 and 268,232.72 is: 370,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,098.18 : 666,662.67 = 268,232.72 : x
  2. Step 2: Convert to fraction form
    483,098.18/666,662.67 = 268,232.72/x
  3. Step 3: Cross multiply
    483,098.18x = 666,662.67 × 268,232.72
  4. Step 4: Simplify right side
    483,098.18x = 178,820,737,963.25
  5. Step 5: Solve for x
    x = 178,820,737,963.25/483,098.18
  6. Step 6: Final answer
    x = 370,154.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.