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Finding the Fourth Proportional to 431,818.82, 647,572.71 and 182,520.26

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Solution

The fourth proportional to 431,818.82, 647,572.71 and 182,520.26 is: 273,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,818.82 : 647,572.71 = 182,520.26 : x
  2. Step 2: Convert to fraction form
    431,818.82/647,572.71 = 182,520.26/x
  3. Step 3: Cross multiply
    431,818.82x = 647,572.71 × 182,520.26
  4. Step 4: Simplify right side
    431,818.82x = 118,195,139,398.11
  5. Step 5: Solve for x
    x = 118,195,139,398.11/431,818.82
  6. Step 6: Final answer
    x = 273,714.66

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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.