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Finding the Fourth Proportional to 580,859.49, 870,950.96 and 225,458.32

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Solution

The fourth proportional to 580,859.49, 870,950.96 and 225,458.32 is: 338,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,859.49 : 870,950.96 = 225,458.32 : x
  2. Step 2: Convert to fraction form
    580,859.49/870,950.96 = 225,458.32/x
  3. Step 3: Cross multiply
    580,859.49x = 870,950.96 × 225,458.32
  4. Step 4: Simplify right side
    580,859.49x = 196,363,140,243.99
  5. Step 5: Solve for x
    x = 196,363,140,243.99/580,859.49
  6. Step 6: Final answer
    x = 338,056.18

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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.