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Finding the Fourth Proportional to 382,967.01, 574,284.24 and 130,179.51

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Solution

The fourth proportional to 382,967.01, 574,284.24 and 130,179.51 is: 195,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,967.01 : 574,284.24 = 130,179.51 : x
  2. Step 2: Convert to fraction form
    382,967.01/574,284.24 = 130,179.51/x
  3. Step 3: Cross multiply
    382,967.01x = 574,284.24 × 130,179.51
  4. Step 4: Simplify right side
    382,967.01x = 74,760,040,963.92
  5. Step 5: Solve for x
    x = 74,760,040,963.92/382,967.01
  6. Step 6: Final answer
    x = 195,212.74

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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.