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Finding the Fourth Proportional to 629,798.62, 944,493.26 and 208,961.50

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Solution

The fourth proportional to 629,798.62, 944,493.26 and 208,961.50 is: 313,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,798.62 : 944,493.26 = 208,961.50 : x
  2. Step 2: Convert to fraction form
    629,798.62/944,493.26 = 208,961.50/x
  3. Step 3: Cross multiply
    629,798.62x = 944,493.26 × 208,961.50
  4. Step 4: Simplify right side
    629,798.62x = 197,362,728,349.49
  5. Step 5: Solve for x
    x = 197,362,728,349.49/629,798.62
  6. Step 6: Final answer
    x = 313,374.34

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1.5x scale

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.