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Finding the Fourth Proportional to 632,162,530.80, 948,243,796.20 and 632,162,530.80

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Solution

The fourth proportional to 632,162,530.80, 948,243,796.20 and 632,162,530.80 is: 948,243,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,162,530.80 : 948,243,796.20 = 632,162,530.80 : x
  2. Step 2: Convert to fraction form
    632,162,530.80/948,243,796.20 = 632,162,530.80/x
  3. Step 3: Cross multiply
    632,162,530.80x = 948,243,796.20 × 632,162,530.80
  4. Step 4: Simplify right side
    632,162,530.80x = 599,444,198,021,191,424
  5. Step 5: Solve for x
    x = 599,444,198,021,191,424/632,162,530.80
  6. Step 6: Final answer
    x = 948,243,796.20

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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.