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Finding the Fourth Proportional to 225,592.70, 338,287.91 and 134,451.15

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Solution

The fourth proportional to 225,592.70, 338,287.91 and 134,451.15 is: 201,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,592.70 : 338,287.91 = 134,451.15 : x
  2. Step 2: Convert to fraction form
    225,592.70/338,287.91 = 134,451.15/x
  3. Step 3: Cross multiply
    225,592.70x = 338,287.91 × 134,451.15
  4. Step 4: Simplify right side
    225,592.70x = 45,483,197,858.34
  5. Step 5: Solve for x
    x = 45,483,197,858.34/225,592.70
  6. Step 6: Final answer
    x = 201,616.45

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1.5x scale

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.