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Finding the Fourth Proportional to 295,472,572.70, 443,208,859.05 and 271,664,015.90

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Solution

The fourth proportional to 295,472,572.70, 443,208,859.05 and 271,664,015.90 is: 407,496,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,472,572.70 : 443,208,859.05 = 271,664,015.90 : x
  2. Step 2: Convert to fraction form
    295,472,572.70/443,208,859.05 = 271,664,015.90/x
  3. Step 3: Cross multiply
    295,472,572.70x = 443,208,859.05 × 271,664,015.90
  4. Step 4: Simplify right side
    295,472,572.70x = 120,403,898,531,980,048
  5. Step 5: Solve for x
    x = 120,403,898,531,980,048/295,472,572.70
  6. Step 6: Final answer
    x = 407,496,023.85

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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.