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Finding the Fourth Proportional to 388,676.07, 582,571.85 and 236,537.52

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Solution

The fourth proportional to 388,676.07, 582,571.85 and 236,537.52 is: 354,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,676.07 : 582,571.85 = 236,537.52 : x
  2. Step 2: Convert to fraction form
    388,676.07/582,571.85 = 236,537.52/x
  3. Step 3: Cross multiply
    388,676.07x = 582,571.85 × 236,537.52
  4. Step 4: Simplify right side
    388,676.07x = 137,800,097,253.48
  5. Step 5: Solve for x
    x = 137,800,097,253.48/388,676.07
  6. Step 6: Final answer
    x = 354,537.13

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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.