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Finding the Fourth Proportional to 580,622,672.70, 870,934,009.05 and 534,265,271.10

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Solution

The fourth proportional to 580,622,672.70, 870,934,009.05 and 534,265,271.10 is: 801,397,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,622,672.70 : 870,934,009.05 = 534,265,271.10 : x
  2. Step 2: Convert to fraction form
    580,622,672.70/870,934,009.05 = 534,265,271.10/x
  3. Step 3: Cross multiply
    580,622,672.70x = 870,934,009.05 × 534,265,271.10
  4. Step 4: Simplify right side
    580,622,672.70x = 465,309,794,455,308,096
  5. Step 5: Solve for x
    x = 465,309,794,455,308,096/580,622,672.70
  6. Step 6: Final answer
    x = 801,397,906.65

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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.