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Finding the Fourth Proportional to 629,434.90, 944,546.01 and 255,457.90

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Solution

The fourth proportional to 629,434.90, 944,546.01 and 255,457.90 is: 383,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,434.90 : 944,546.01 = 255,457.90 : x
  2. Step 2: Convert to fraction form
    629,434.90/944,546.01 = 255,457.90/x
  3. Step 3: Cross multiply
    629,434.90x = 944,546.01 × 255,457.90
  4. Step 4: Simplify right side
    629,434.90x = 241,291,740,167.98
  5. Step 5: Solve for x
    x = 241,291,740,167.98/629,434.90
  6. Step 6: Final answer
    x = 383,346.62

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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.