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Finding the Fourth Proportional to 444,135.95, 666,457.86 and 187,948.34

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Solution

The fourth proportional to 444,135.95, 666,457.86 and 187,948.34 is: 282,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,135.95 : 666,457.86 = 187,948.34 : x
  2. Step 2: Convert to fraction form
    444,135.95/666,457.86 = 187,948.34/x
  3. Step 3: Cross multiply
    444,135.95x = 666,457.86 × 187,948.34
  4. Step 4: Simplify right side
    444,135.95x = 125,259,648,466.95
  5. Step 5: Solve for x
    x = 125,259,648,466.95/444,135.95
  6. Step 6: Final answer
    x = 282,029.97

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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.