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Finding the Fourth Proportional to 444,661.81, 666,790.89 and 191,822.74

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Solution

The fourth proportional to 444,661.81, 666,790.89 and 191,822.74 is: 287,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,661.81 : 666,790.89 = 191,822.74 : x
  2. Step 2: Convert to fraction form
    444,661.81/666,790.89 = 191,822.74/x
  3. Step 3: Cross multiply
    444,661.81x = 666,790.89 × 191,822.74
  4. Step 4: Simplify right side
    444,661.81x = 127,905,655,526.84
  5. Step 5: Solve for x
    x = 127,905,655,526.84/444,661.81
  6. Step 6: Final answer
    x = 287,647.04

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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.