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Finding the Fourth Proportional to 580,625.34, 870,992.82 and 225,666.60

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Solution

The fourth proportional to 580,625.34, 870,992.82 and 225,666.60 is: 338,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,625.34 : 870,992.82 = 225,666.60 : x
  2. Step 2: Convert to fraction form
    580,625.34/870,992.82 = 225,666.60/x
  3. Step 3: Cross multiply
    580,625.34x = 870,992.82 × 225,666.60
  4. Step 4: Simplify right side
    580,625.34x = 196,553,988,313.81
  5. Step 5: Solve for x
    x = 196,553,988,313.81/580,625.34
  6. Step 6: Final answer
    x = 338,521.20

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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.