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Finding the Fourth Proportional to 673,351.39, 929,224.47 and 431,633.89

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Solution

The fourth proportional to 673,351.39, 929,224.47 and 431,633.89 is: 595,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,351.39 : 929,224.47 = 431,633.89 : x
  2. Step 2: Convert to fraction form
    673,351.39/929,224.47 = 431,633.89/x
  3. Step 3: Cross multiply
    673,351.39x = 929,224.47 × 431,633.89
  4. Step 4: Simplify right side
    673,351.39x = 401,084,772,669.29
  5. Step 5: Solve for x
    x = 401,084,772,669.29/673,351.39
  6. Step 6: Final answer
    x = 595,654.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.