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Finding the Fourth Proportional to 386,405.01, 532,889.85 and 241,224.20

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Solution

The fourth proportional to 386,405.01, 532,889.85 and 241,224.20 is: 332,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,405.01 : 532,889.85 = 241,224.20 : x
  2. Step 2: Convert to fraction form
    386,405.01/532,889.85 = 241,224.20/x
  3. Step 3: Cross multiply
    386,405.01x = 532,889.85 × 241,224.20
  4. Step 4: Simplify right side
    386,405.01x = 128,545,926,494.10
  5. Step 5: Solve for x
    x = 128,545,926,494.10/386,405.01
  6. Step 6: Final answer
    x = 332,671.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.