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Finding the Fourth Proportional to 604,238.94, 905,736.33 and 323,680.86

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Solution

The fourth proportional to 604,238.94, 905,736.33 and 323,680.86 is: 485,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,238.94 : 905,736.33 = 323,680.86 : x
  2. Step 2: Convert to fraction form
    604,238.94/905,736.33 = 323,680.86/x
  3. Step 3: Cross multiply
    604,238.94x = 905,736.33 × 323,680.86
  4. Step 4: Simplify right side
    604,238.94x = 293,169,514,227.64
  5. Step 5: Solve for x
    x = 293,169,514,227.64/604,238.94
  6. Step 6: Final answer
    x = 485,188.05

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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.