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Finding the Fourth Proportional to 395,810.43, 594,509.76 and 236,197.68

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Solution

The fourth proportional to 395,810.43, 594,509.76 and 236,197.68 is: 354,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,810.43 : 594,509.76 = 236,197.68 : x
  2. Step 2: Convert to fraction form
    395,810.43/594,509.76 = 236,197.68/x
  3. Step 3: Cross multiply
    395,810.43x = 594,509.76 × 236,197.68
  4. Step 4: Simplify right side
    395,810.43x = 140,421,826,049.36
  5. Step 5: Solve for x
    x = 140,421,826,049.36/395,810.43
  6. Step 6: Final answer
    x = 354,770.40

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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.