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Finding the Fourth Proportional to 388,625.93, 583,266.44 and 164,147.47

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Solution

The fourth proportional to 388,625.93, 583,266.44 and 164,147.47 is: 246,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,625.93 : 583,266.44 = 164,147.47 : x
  2. Step 2: Convert to fraction form
    388,625.93/583,266.44 = 164,147.47/x
  3. Step 3: Cross multiply
    388,625.93x = 583,266.44 × 164,147.47
  4. Step 4: Simplify right side
    388,625.93x = 95,741,708,727.76
  5. Step 5: Solve for x
    x = 95,741,708,727.76/388,625.93
  6. Step 6: Final answer
    x = 246,359.55

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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.