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Finding the Fourth Proportional to 503,767.80, 755,550.66 and 247,493.40

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Solution

The fourth proportional to 503,767.80, 755,550.66 and 247,493.40 is: 371,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,767.80 : 755,550.66 = 247,493.40 : x
  2. Step 2: Convert to fraction form
    503,767.80/755,550.66 = 247,493.40/x
  3. Step 3: Cross multiply
    503,767.80x = 755,550.66 × 247,493.40
  4. Step 4: Simplify right side
    503,767.80x = 186,993,801,715.64
  5. Step 5: Solve for x
    x = 186,993,801,715.64/503,767.80
  6. Step 6: Final answer
    x = 371,190.46

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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.