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Finding the Fourth Proportional to 200,622,832.20, 300,934,248.30 and 200,622,832.20

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Solution

The fourth proportional to 200,622,832.20, 300,934,248.30 and 200,622,832.20 is: 300,934,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,622,832.20 : 300,934,248.30 = 200,622,832.20 : x
  2. Step 2: Convert to fraction form
    200,622,832.20/300,934,248.30 = 200,622,832.20/x
  3. Step 3: Cross multiply
    200,622,832.20x = 300,934,248.30 × 200,622,832.20
  4. Step 4: Simplify right side
    200,622,832.20x = 60,374,281,199,924,032
  5. Step 5: Solve for x
    x = 60,374,281,199,924,032/200,622,832.20
  6. Step 6: Final answer
    x = 300,934,248.30

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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.