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Finding the Fourth Proportional to 443,233,628.70, 664,850,443.05 and 443,233,628.70

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Solution

The fourth proportional to 443,233,628.70, 664,850,443.05 and 443,233,628.70 is: 664,850,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,233,628.70 : 664,850,443.05 = 443,233,628.70 : x
  2. Step 2: Convert to fraction form
    443,233,628.70/664,850,443.05 = 443,233,628.70/x
  3. Step 3: Cross multiply
    443,233,628.70x = 664,850,443.05 × 443,233,628.70
  4. Step 4: Simplify right side
    443,233,628.70x = 294,684,074,415,854,144
  5. Step 5: Solve for x
    x = 294,684,074,415,854,144/443,233,628.70
  6. Step 6: Final answer
    x = 664,850,443.05

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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.