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Finding the Fourth Proportional to 352,751.52, 486,610.50 and 223,461.90

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Solution

The fourth proportional to 352,751.52, 486,610.50 and 223,461.90 is: 308,259.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,751.52 : 486,610.50 = 223,461.90 : x
  2. Step 2: Convert to fraction form
    352,751.52/486,610.50 = 223,461.90/x
  3. Step 3: Cross multiply
    352,751.52x = 486,610.50 × 223,461.90
  4. Step 4: Simplify right side
    352,751.52x = 108,738,906,889.95
  5. Step 5: Solve for x
    x = 108,738,906,889.95/352,751.52
  6. Step 6: Final answer
    x = 308,259.22

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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.