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Finding the Fourth Proportional to 362,177.80, 543,266.70 and 228,333.40

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Solution

The fourth proportional to 362,177.80, 543,266.70 and 228,333.40 is: 342,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,177.80 : 543,266.70 = 228,333.40 : x
  2. Step 2: Convert to fraction form
    362,177.80/543,266.70 = 228,333.40/x
  3. Step 3: Cross multiply
    362,177.80x = 543,266.70 × 228,333.40
  4. Step 4: Simplify right side
    362,177.80x = 124,045,932,717.78
  5. Step 5: Solve for x
    x = 124,045,932,717.78/362,177.80
  6. Step 6: Final answer
    x = 342,500.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.