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Finding the Fourth Proportional to 338,651.87, 467,340.23 and 187,748.87

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Solution

The fourth proportional to 338,651.87, 467,340.23 and 187,748.87 is: 259,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,651.87 : 467,340.23 = 187,748.87 : x
  2. Step 2: Convert to fraction form
    338,651.87/467,340.23 = 187,748.87/x
  3. Step 3: Cross multiply
    338,651.87x = 467,340.23 × 187,748.87
  4. Step 4: Simplify right side
    338,651.87x = 87,742,598,220.71
  5. Step 5: Solve for x
    x = 87,742,598,220.71/338,651.87
  6. Step 6: Final answer
    x = 259,093.80

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1.5x scale

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.