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Finding the Fourth Proportional to 331,701.30, 497,810.30 and 231,207.29

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Solution

The fourth proportional to 331,701.30, 497,810.30 and 231,207.29 is: 346,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,701.30 : 497,810.30 = 231,207.29 : x
  2. Step 2: Convert to fraction form
    331,701.30/497,810.30 = 231,207.29/x
  3. Step 3: Cross multiply
    331,701.30x = 497,810.30 × 231,207.29
  4. Step 4: Simplify right side
    331,701.30x = 115,097,370,397.09
  5. Step 5: Solve for x
    x = 115,097,370,397.09/331,701.30
  6. Step 6: Final answer
    x = 346,991.01

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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.