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Finding the Fourth Proportional to 580,098.27, 870,170.99 and 276,336.29

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Solution

The fourth proportional to 580,098.27, 870,170.99 and 276,336.29 is: 414,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,098.27 : 870,170.99 = 276,336.29 : x
  2. Step 2: Convert to fraction form
    580,098.27/870,170.99 = 276,336.29/x
  3. Step 3: Cross multiply
    580,098.27x = 870,170.99 × 276,336.29
  4. Step 4: Simplify right side
    580,098.27x = 240,459,817,309.69
  5. Step 5: Solve for x
    x = 240,459,817,309.69/580,098.27
  6. Step 6: Final answer
    x = 414,515.66

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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.