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Finding the Fourth Proportional to 590,648.13, 885,984.75 and 211,593.51

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Solution

The fourth proportional to 590,648.13, 885,984.75 and 211,593.51 is: 317,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,648.13 : 885,984.75 = 211,593.51 : x
  2. Step 2: Convert to fraction form
    590,648.13/885,984.75 = 211,593.51/x
  3. Step 3: Cross multiply
    590,648.13x = 885,984.75 × 211,593.51
  4. Step 4: Simplify right side
    590,648.13x = 187,468,623,058.97
  5. Step 5: Solve for x
    x = 187,468,623,058.97/590,648.13
  6. Step 6: Final answer
    x = 317,394.76

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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.