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Finding the Fourth Proportional to 362,573.01, 543,672.77 and 162,722.07

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Solution

The fourth proportional to 362,573.01, 543,672.77 and 162,722.07 is: 243,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,573.01 : 543,672.77 = 162,722.07 : x
  2. Step 2: Convert to fraction form
    362,573.01/543,672.77 = 162,722.07/x
  3. Step 3: Cross multiply
    362,573.01x = 543,672.77 × 162,722.07
  4. Step 4: Simplify right side
    362,573.01x = 88,467,557,723.42
  5. Step 5: Solve for x
    x = 88,467,557,723.42/362,573.01
  6. Step 6: Final answer
    x = 243,999.29

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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.