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Finding the Fourth Proportional to 388,803.33, 583,283.97 and 164,164.41

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Solution

The fourth proportional to 388,803.33, 583,283.97 and 164,164.41 is: 246,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,803.33 : 583,283.97 = 164,164.41 : x
  2. Step 2: Convert to fraction form
    388,803.33/583,283.97 = 164,164.41/x
  3. Step 3: Cross multiply
    388,803.33x = 583,283.97 × 164,164.41
  4. Step 4: Simplify right side
    388,803.33x = 95,754,468,797.51
  5. Step 5: Solve for x
    x = 95,754,468,797.51/388,803.33
  6. Step 6: Final answer
    x = 246,279.96

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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.