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Finding the Fourth Proportional to 343,714.60, 515,849.82 and 237,033.64

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Solution

The fourth proportional to 343,714.60, 515,849.82 and 237,033.64 is: 355,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,714.60 : 515,849.82 = 237,033.64 : x
  2. Step 2: Convert to fraction form
    343,714.60/515,849.82 = 237,033.64/x
  3. Step 3: Cross multiply
    343,714.60x = 515,849.82 × 237,033.64
  4. Step 4: Simplify right side
    343,714.60x = 122,273,760,527.95
  5. Step 5: Solve for x
    x = 122,273,760,527.95/343,714.60
  6. Step 6: Final answer
    x = 355,742.12

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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.