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Finding the Fourth Proportional to 481,644.50, 722,468.44 and 161,787.22

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Solution

The fourth proportional to 481,644.50, 722,468.44 and 161,787.22 is: 242,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,644.50 : 722,468.44 = 161,787.22 : x
  2. Step 2: Convert to fraction form
    481,644.50/722,468.44 = 161,787.22/x
  3. Step 3: Cross multiply
    481,644.50x = 722,468.44 × 161,787.22
  4. Step 4: Simplify right side
    481,644.50x = 116,886,160,445.34
  5. Step 5: Solve for x
    x = 116,886,160,445.34/481,644.50
  6. Step 6: Final answer
    x = 242,681.40

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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.