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Finding the Fourth Proportional to 601,091.31, 901,968.99 and 335,001.78

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Solution

The fourth proportional to 601,091.31, 901,968.99 and 335,001.78 is: 502,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,091.31 : 901,968.99 = 335,001.78 : x
  2. Step 2: Convert to fraction form
    601,091.31/901,968.99 = 335,001.78/x
  3. Step 3: Cross multiply
    601,091.31x = 901,968.99 × 335,001.78
  4. Step 4: Simplify right side
    601,091.31x = 302,161,217,154.80
  5. Step 5: Solve for x
    x = 302,161,217,154.80/601,091.31
  6. Step 6: Final answer
    x = 502,687.72

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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.