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Finding the Fourth Proportional to 494,503.25, 741,888.05 and 254,486.39

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Solution

The fourth proportional to 494,503.25, 741,888.05 and 254,486.39 is: 381,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,503.25 : 741,888.05 = 254,486.39 : x
  2. Step 2: Convert to fraction form
    494,503.25/741,888.05 = 254,486.39/x
  3. Step 3: Cross multiply
    494,503.25x = 741,888.05 × 254,486.39
  4. Step 4: Simplify right side
    494,503.25x = 188,800,406,646.77
  5. Step 5: Solve for x
    x = 188,800,406,646.77/494,503.25
  6. Step 6: Final answer
    x = 381,798.11

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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.