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Finding the Fourth Proportional to 375,571.44, 562,978.08 and 235,428.48

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Solution

The fourth proportional to 375,571.44, 562,978.08 and 235,428.48 is: 352,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,571.44 : 562,978.08 = 235,428.48 : x
  2. Step 2: Convert to fraction form
    375,571.44/562,978.08 = 235,428.48/x
  3. Step 3: Cross multiply
    375,571.44x = 562,978.08 × 235,428.48
  4. Step 4: Simplify right side
    375,571.44x = 132,541,073,647.72
  5. Step 5: Solve for x
    x = 132,541,073,647.72/375,571.44
  6. Step 6: Final answer
    x = 352,905.09

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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.