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Finding the Fourth Proportional to 362,651.10, 543,717.45 and 162,807.90

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Solution

The fourth proportional to 362,651.10, 543,717.45 and 162,807.90 is: 244,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,651.10 : 543,717.45 = 162,807.90 : x
  2. Step 2: Convert to fraction form
    362,651.10/543,717.45 = 162,807.90/x
  3. Step 3: Cross multiply
    362,651.10x = 543,717.45 × 162,807.90
  4. Step 4: Simplify right side
    362,651.10x = 88,521,496,227.86
  5. Step 5: Solve for x
    x = 88,521,496,227.86/362,651.10
  6. Step 6: Final answer
    x = 244,095.49

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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.