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Finding the Fourth Proportional to 295,479.72, 410,514.83 and 291,936.78

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Solution

The fourth proportional to 295,479.72, 410,514.83 and 291,936.78 is: 405,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,479.72 : 410,514.83 = 291,936.78 : x
  2. Step 2: Convert to fraction form
    295,479.72/410,514.83 = 291,936.78/x
  3. Step 3: Cross multiply
    295,479.72x = 410,514.83 × 291,936.78
  4. Step 4: Simplify right side
    295,479.72x = 119,844,377,612.45
  5. Step 5: Solve for x
    x = 119,844,377,612.45/295,479.72
  6. Step 6: Final answer
    x = 405,592.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.