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Finding the Fourth Proportional to 303,386.69, 418,496.85 and 194,452.22

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Solution

The fourth proportional to 303,386.69, 418,496.85 and 194,452.22 is: 268,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,386.69 : 418,496.85 = 194,452.22 : x
  2. Step 2: Convert to fraction form
    303,386.69/418,496.85 = 194,452.22/x
  3. Step 3: Cross multiply
    303,386.69x = 418,496.85 × 194,452.22
  4. Step 4: Simplify right side
    303,386.69x = 81,377,641,961.62
  5. Step 5: Solve for x
    x = 81,377,641,961.62/303,386.69
  6. Step 6: Final answer
    x = 268,230.76

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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.