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Finding the Fourth Proportional to 443,840,705.10, 622,737,476.10 and 443,840,705.10

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Solution

The fourth proportional to 443,840,705.10, 622,737,476.10 and 443,840,705.10 is: 622,737,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,840,705.10 : 622,737,476.10 = 443,840,705.10 : x
  2. Step 2: Convert to fraction form
    443,840,705.10/622,737,476.10 = 443,840,705.10/x
  3. Step 3: Cross multiply
    443,840,705.10x = 622,737,476.10 × 443,840,705.10
  4. Step 4: Simplify right side
    443,840,705.10x = 276,396,240,484,418,432
  5. Step 5: Solve for x
    x = 276,396,240,484,418,432/443,840,705.10
  6. Step 6: Final answer
    x = 622,737,476.10

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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.