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Finding the Fourth Proportional to 395,814.92, 594,516.51 and 236,202.21

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Solution

The fourth proportional to 395,814.92, 594,516.51 and 236,202.21 is: 354,777.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,814.92 : 594,516.51 = 236,202.21 : x
  2. Step 2: Convert to fraction form
    395,814.92/594,516.51 = 236,202.21/x
  3. Step 3: Cross multiply
    395,814.92x = 594,516.51 × 236,202.21
  4. Step 4: Simplify right side
    395,814.92x = 140,426,113,543.49
  5. Step 5: Solve for x
    x = 140,426,113,543.49/395,814.92
  6. Step 6: Final answer
    x = 354,777.22

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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.