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Finding the Fourth Proportional to 362,402.60, 543,344.70 and 162,559.40

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Solution

The fourth proportional to 362,402.60, 543,344.70 and 162,559.40 is: 243,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,402.60 : 543,344.70 = 162,559.40 : x
  2. Step 2: Convert to fraction form
    362,402.60/543,344.70 = 162,559.40/x
  3. Step 3: Cross multiply
    362,402.60x = 543,344.70 × 162,559.40
  4. Step 4: Simplify right side
    362,402.60x = 88,325,788,425.18
  5. Step 5: Solve for x
    x = 88,325,788,425.18/362,402.60
  6. Step 6: Final answer
    x = 243,722.83

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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.