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Finding the Fourth Proportional to 262,441,351.80, 393,662,027.70 and 194,416,903.80

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Solution

The fourth proportional to 262,441,351.80, 393,662,027.70 and 194,416,903.80 is: 291,625,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,441,351.80 : 393,662,027.70 = 194,416,903.80 : x
  2. Step 2: Convert to fraction form
    262,441,351.80/393,662,027.70 = 194,416,903.80/x
  3. Step 3: Cross multiply
    262,441,351.80x = 393,662,027.70 × 194,416,903.80
  4. Step 4: Simplify right side
    262,441,351.80x = 76,534,552,569,063,840
  5. Step 5: Solve for x
    x = 76,534,552,569,063,840/262,441,351.80
  6. Step 6: Final answer
    x = 291,625,355.70

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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.