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Finding the Fourth Proportional to 422,998.38, 633,250.98 and 370,510.38

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Solution

The fourth proportional to 422,998.38, 633,250.98 and 370,510.38 is: 554,673.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,998.38 : 633,250.98 = 370,510.38 : x
  2. Step 2: Convert to fraction form
    422,998.38/633,250.98 = 370,510.38/x
  3. Step 3: Cross multiply
    422,998.38x = 633,250.98 × 370,510.38
  4. Step 4: Simplify right side
    422,998.38x = 234,626,061,235.17
  5. Step 5: Solve for x
    x = 234,626,061,235.17/422,998.38
  6. Step 6: Final answer
    x = 554,673.66

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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.