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Finding the Fourth Proportional to 449,323,761.30, 630,867,251.10 and 449,323,761.30

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Solution

The fourth proportional to 449,323,761.30, 630,867,251.10 and 449,323,761.30 is: 630,867,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,323,761.30 : 630,867,251.10 = 449,323,761.30 : x
  2. Step 2: Convert to fraction form
    449,323,761.30/630,867,251.10 = 449,323,761.30/x
  3. Step 3: Cross multiply
    449,323,761.30x = 630,867,251.10 × 449,323,761.30
  4. Step 4: Simplify right side
    449,323,761.30x = 283,463,646,145,243,584
  5. Step 5: Solve for x
    x = 283,463,646,145,243,584/449,323,761.30
  6. Step 6: Final answer
    x = 630,867,251.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.