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Finding the Fourth Proportional to 293,209.70, 404,672.90 and 185,789.79

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Solution

The fourth proportional to 293,209.70, 404,672.90 and 185,789.79 is: 256,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,209.70 : 404,672.90 = 185,789.79 : x
  2. Step 2: Convert to fraction form
    293,209.70/404,672.90 = 185,789.79/x
  3. Step 3: Cross multiply
    293,209.70x = 404,672.90 × 185,789.79
  4. Step 4: Simplify right side
    293,209.70x = 75,184,092,180.74
  5. Step 5: Solve for x
    x = 75,184,092,180.74/293,209.70
  6. Step 6: Final answer
    x = 256,417.48

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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.