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Finding the Fourth Proportional to 297,467,897.80, 446,201,846.70 and 200,722,016.20

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Solution

The fourth proportional to 297,467,897.80, 446,201,846.70 and 200,722,016.20 is: 301,083,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,467,897.80 : 446,201,846.70 = 200,722,016.20 : x
  2. Step 2: Convert to fraction form
    297,467,897.80/446,201,846.70 = 200,722,016.20/x
  3. Step 3: Cross multiply
    297,467,897.80x = 446,201,846.70 × 200,722,016.20
  4. Step 4: Simplify right side
    297,467,897.80x = 89,562,534,301,787,312
  5. Step 5: Solve for x
    x = 89,562,534,301,787,312/297,467,897.80
  6. Step 6: Final answer
    x = 301,083,024.30

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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.