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Finding the Fourth Proportional to 573,171.46, 858,942.44 and 422,224.72

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Solution

The fourth proportional to 573,171.46, 858,942.44 and 422,224.72 is: 632,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,171.46 : 858,942.44 = 422,224.72 : x
  2. Step 2: Convert to fraction form
    573,171.46/858,942.44 = 422,224.72/x
  3. Step 3: Cross multiply
    573,171.46x = 858,942.44 × 422,224.72
  4. Step 4: Simplify right side
    573,171.46x = 362,666,731,225.12
  5. Step 5: Solve for x
    x = 362,666,731,225.12/573,171.46
  6. Step 6: Final answer
    x = 632,736.90

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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.