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Finding the Fourth Proportional to 338,550.50, 467,199.76 and 187,647.50

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Solution

The fourth proportional to 338,550.50, 467,199.76 and 187,647.50 is: 258,953.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,550.50 : 467,199.76 = 187,647.50 : x
  2. Step 2: Convert to fraction form
    338,550.50/467,199.76 = 187,647.50/x
  3. Step 3: Cross multiply
    338,550.50x = 467,199.76 × 187,647.50
  4. Step 4: Simplify right side
    338,550.50x = 87,668,866,964.60
  5. Step 5: Solve for x
    x = 87,668,866,964.60/338,550.50
  6. Step 6: Final answer
    x = 258,953.59

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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.