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Finding the Fourth Proportional to 444,135.92, 666,457.81 and 187,948.31

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Solution

The fourth proportional to 444,135.92, 666,457.81 and 187,948.31 is: 282,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,135.92 : 666,457.81 = 187,948.31 : x
  2. Step 2: Convert to fraction form
    444,135.92/666,457.81 = 187,948.31/x
  3. Step 3: Cross multiply
    444,135.92x = 666,457.81 × 187,948.31
  4. Step 4: Simplify right side
    444,135.92x = 125,259,615,273.64
  5. Step 5: Solve for x
    x = 125,259,615,273.64/444,135.92
  6. Step 6: Final answer
    x = 282,029.92

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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.