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Finding the Fourth Proportional to 444,135.45, 666,457.11 and 187,947.84

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Solution

The fourth proportional to 444,135.45, 666,457.11 and 187,947.84 is: 282,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,135.45 : 666,457.11 = 187,947.84 : x
  2. Step 2: Convert to fraction form
    444,135.45/666,457.11 = 187,947.84/x
  3. Step 3: Cross multiply
    444,135.45x = 666,457.11 × 187,947.84
  4. Step 4: Simplify right side
    444,135.45x = 125,259,174,277.14
  5. Step 5: Solve for x
    x = 125,259,174,277.14/444,135.45
  6. Step 6: Final answer
    x = 282,029.22

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1.5x scale

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.