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Finding the Fourth Proportional to 519,674.38, 717,145.23 and 293,329.42

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Solution

The fourth proportional to 519,674.38, 717,145.23 and 293,329.42 is: 404,791.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,674.38 : 717,145.23 = 293,329.42 : x
  2. Step 2: Convert to fraction form
    519,674.38/717,145.23 = 293,329.42/x
  3. Step 3: Cross multiply
    519,674.38x = 717,145.23 × 293,329.42
  4. Step 4: Simplify right side
    519,674.38x = 210,359,794,371.67
  5. Step 5: Solve for x
    x = 210,359,794,371.67/519,674.38
  6. Step 6: Final answer
    x = 404,791.54

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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.