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Finding the Fourth Proportional to 388,891.98, 583,518.41 and 164,304.86

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Solution

The fourth proportional to 388,891.98, 583,518.41 and 164,304.86 is: 246,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,891.98 : 583,518.41 = 164,304.86 : x
  2. Step 2: Convert to fraction form
    388,891.98/583,518.41 = 164,304.86/x
  3. Step 3: Cross multiply
    388,891.98x = 583,518.41 × 164,304.86
  4. Step 4: Simplify right side
    388,891.98x = 95,874,906,923.36
  5. Step 5: Solve for x
    x = 95,874,906,923.36/388,891.98
  6. Step 6: Final answer
    x = 246,533.52

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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.