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Finding the Fourth Proportional to 580,847.10, 870,871.05 and 295,986.30

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Solution

The fourth proportional to 580,847.10, 870,871.05 and 295,986.30 is: 443,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,847.10 : 870,871.05 = 295,986.30 : x
  2. Step 2: Convert to fraction form
    580,847.10/870,871.05 = 295,986.30/x
  3. Step 3: Cross multiply
    580,847.10x = 870,871.05 × 295,986.30
  4. Step 4: Simplify right side
    580,847.10x = 257,765,899,866.62
  5. Step 5: Solve for x
    x = 257,765,899,866.62/580,847.10
  6. Step 6: Final answer
    x = 443,775.82

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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.