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Finding the Fourth Proportional to 250,511.40, 375,767.10 and 225,579.60

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Solution

The fourth proportional to 250,511.40, 375,767.10 and 225,579.60 is: 338,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,511.40 : 375,767.10 = 225,579.60 : x
  2. Step 2: Convert to fraction form
    250,511.40/375,767.10 = 225,579.60/x
  3. Step 3: Cross multiply
    250,511.40x = 375,767.10 × 225,579.60
  4. Step 4: Simplify right side
    250,511.40x = 84,765,392,111.16
  5. Step 5: Solve for x
    x = 84,765,392,111.16/250,511.40
  6. Step 6: Final answer
    x = 338,369.40

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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.