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Finding the Fourth Proportional to 432,387.36, 648,615.60 and 151,967.52

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Solution

The fourth proportional to 432,387.36, 648,615.60 and 151,967.52 is: 227,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,387.36 : 648,615.60 = 151,967.52 : x
  2. Step 2: Convert to fraction form
    432,387.36/648,615.60 = 151,967.52/x
  3. Step 3: Cross multiply
    432,387.36x = 648,615.60 × 151,967.52
  4. Step 4: Simplify right side
    432,387.36x = 98,568,504,165.31
  5. Step 5: Solve for x
    x = 98,568,504,165.31/432,387.36
  6. Step 6: Final answer
    x = 227,963.43

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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.