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Finding the Fourth Proportional to 291,347,793.45, 437,021,690.18 and 291,347,793.45

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Solution

The fourth proportional to 291,347,793.45, 437,021,690.18 and 291,347,793.45 is: 437,021,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,347,793.45 : 437,021,690.18 = 291,347,793.45 : x
  2. Step 2: Convert to fraction form
    291,347,793.45/437,021,690.18 = 291,347,793.45/x
  3. Step 3: Cross multiply
    291,347,793.45x = 437,021,690.18 × 291,347,793.45
  4. Step 4: Simplify right side
    291,347,793.45x = 127,325,305,122,275,792
  5. Step 5: Solve for x
    x = 127,325,305,122,275,792/291,347,793.45
  6. Step 6: Final answer
    x = 437,021,690.18

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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.