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Finding the Fourth Proportional to 481,667.58, 722,607.08 and 161,807.90

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Solution

The fourth proportional to 481,667.58, 722,607.08 and 161,807.90 is: 242,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,667.58 : 722,607.08 = 161,807.90 : x
  2. Step 2: Convert to fraction form
    481,667.58/722,607.08 = 161,807.90/x
  3. Step 3: Cross multiply
    481,667.58x = 722,607.08 × 161,807.90
  4. Step 4: Simplify right side
    481,667.58x = 116,923,529,717.86
  5. Step 5: Solve for x
    x = 116,923,529,717.86/481,667.58
  6. Step 6: Final answer
    x = 242,747.35

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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.