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Finding the Fourth Proportional to 443,840,705.60, 622,737,476.80 and 443,840,705.60

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Solution

The fourth proportional to 443,840,705.60, 622,737,476.80 and 443,840,705.60 is: 622,737,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,840,705.60 : 622,737,476.80 = 443,840,705.60 : x
  2. Step 2: Convert to fraction form
    443,840,705.60/622,737,476.80 = 443,840,705.60/x
  3. Step 3: Cross multiply
    443,840,705.60x = 622,737,476.80 × 443,840,705.60
  4. Step 4: Simplify right side
    443,840,705.60x = 276,396,241,106,475,616
  5. Step 5: Solve for x
    x = 276,396,241,106,475,616/443,840,705.60
  6. Step 6: Final answer
    x = 622,737,476.80

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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.