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Finding the Fourth Proportional to 580,543.43, 870,358.83 and 366,861.91

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Solution

The fourth proportional to 580,543.43, 870,358.83 and 366,861.91 is: 550,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,543.43 : 870,358.83 = 366,861.91 : x
  2. Step 2: Convert to fraction form
    580,543.43/870,358.83 = 366,861.91/x
  3. Step 3: Cross multiply
    580,543.43x = 870,358.83 × 366,861.91
  4. Step 4: Simplify right side
    580,543.43x = 319,301,503,418.96
  5. Step 5: Solve for x
    x = 319,301,503,418.96/580,543.43
  6. Step 6: Final answer
    x = 550,004.51

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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.