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Finding the Fourth Proportional to 664,245.51, 996,383.66 and 237,810.48

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Solution

The fourth proportional to 664,245.51, 996,383.66 and 237,810.48 is: 356,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,245.51 : 996,383.66 = 237,810.48 : x
  2. Step 2: Convert to fraction form
    664,245.51/996,383.66 = 237,810.48/x
  3. Step 3: Cross multiply
    664,245.51x = 996,383.66 × 237,810.48
  4. Step 4: Simplify right side
    664,245.51x = 236,950,475,259.70
  5. Step 5: Solve for x
    x = 236,950,475,259.70/664,245.51
  6. Step 6: Final answer
    x = 356,721.23

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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.