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Finding the Fourth Proportional to 580,480.11, 870,383.88 and 225,078.03

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Solution

The fourth proportional to 580,480.11, 870,383.88 and 225,078.03 is: 337,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,480.11 : 870,383.88 = 225,078.03 : x
  2. Step 2: Convert to fraction form
    580,480.11/870,383.88 = 225,078.03/x
  3. Step 3: Cross multiply
    580,480.11x = 870,383.88 × 225,078.03
  4. Step 4: Simplify right side
    580,480.11x = 195,904,289,054.16
  5. Step 5: Solve for x
    x = 195,904,289,054.16/580,480.11
  6. Step 6: Final answer
    x = 337,486.65

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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.