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Finding the Fourth Proportional to 293,876.40, 440,814.60 and 265,306.80

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Solution

The fourth proportional to 293,876.40, 440,814.60 and 265,306.80 is: 397,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,876.40 : 440,814.60 = 265,306.80 : x
  2. Step 2: Convert to fraction form
    293,876.40/440,814.60 = 265,306.80/x
  3. Step 3: Cross multiply
    293,876.40x = 440,814.60 × 265,306.80
  4. Step 4: Simplify right side
    293,876.40x = 116,951,110,919.28
  5. Step 5: Solve for x
    x = 116,951,110,919.28/293,876.40
  6. Step 6: Final answer
    x = 397,960.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.