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Finding the Fourth Proportional to 672,087.30, 927,503.01 and 366,187.95

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Solution

The fourth proportional to 672,087.30, 927,503.01 and 366,187.95 is: 505,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,087.30 : 927,503.01 = 366,187.95 : x
  2. Step 2: Convert to fraction form
    672,087.30/927,503.01 = 366,187.95/x
  3. Step 3: Cross multiply
    672,087.30x = 927,503.01 × 366,187.95
  4. Step 4: Simplify right side
    672,087.30x = 339,640,425,850.73
  5. Step 5: Solve for x
    x = 339,640,425,850.73/672,087.30
  6. Step 6: Final answer
    x = 505,351.65

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1.5x scale

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.