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Finding the Fourth Proportional to 444,702.81, 666,852.51 and 191,863.74

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Solution

The fourth proportional to 444,702.81, 666,852.51 and 191,863.74 is: 287,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,702.81 : 666,852.51 = 191,863.74 : x
  2. Step 2: Convert to fraction form
    444,702.81/666,852.51 = 191,863.74/x
  3. Step 3: Cross multiply
    444,702.81x = 666,852.51 × 191,863.74
  4. Step 4: Simplify right side
    444,702.81x = 127,944,816,596.99
  5. Step 5: Solve for x
    x = 127,944,816,596.99/444,702.81
  6. Step 6: Final answer
    x = 287,708.59

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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.