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Finding the Fourth Proportional to 475,131.52, 712,672.32 and 159,594.88

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Solution

The fourth proportional to 475,131.52, 712,672.32 and 159,594.88 is: 239,383.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,131.52 : 712,672.32 = 159,594.88 : x
  2. Step 2: Convert to fraction form
    475,131.52/712,672.32 = 159,594.88/x
  3. Step 3: Cross multiply
    475,131.52x = 712,672.32 × 159,594.88
  4. Step 4: Simplify right side
    475,131.52x = 113,738,853,389.72
  5. Step 5: Solve for x
    x = 113,738,853,389.72/475,131.52
  6. Step 6: Final answer
    x = 239,383.94

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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.