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Finding the Fourth Proportional to 637,874.73, 880,206.55 and 365,965.02

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Solution

The fourth proportional to 637,874.73, 880,206.55 and 365,965.02 is: 504,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,874.73 : 880,206.55 = 365,965.02 : x
  2. Step 2: Convert to fraction form
    637,874.73/880,206.55 = 365,965.02/x
  3. Step 3: Cross multiply
    637,874.73x = 880,206.55 × 365,965.02
  4. Step 4: Simplify right side
    637,874.73x = 322,124,806,759.97
  5. Step 5: Solve for x
    x = 322,124,806,759.97/637,874.73
  6. Step 6: Final answer
    x = 504,996.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.