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Finding the Fourth Proportional to 353,794.38, 487,902.87 and 273,094.62

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Solution

The fourth proportional to 353,794.38, 487,902.87 and 273,094.62 is: 376,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,794.38 : 487,902.87 = 273,094.62 : x
  2. Step 2: Convert to fraction form
    353,794.38/487,902.87 = 273,094.62/x
  3. Step 3: Cross multiply
    353,794.38x = 487,902.87 × 273,094.62
  4. Step 4: Simplify right side
    353,794.38x = 133,243,648,879.56
  5. Step 5: Solve for x
    x = 133,243,648,879.56/353,794.38
  6. Step 6: Final answer
    x = 376,613.24

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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.