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Finding the Fourth Proportional to 629,784.54, 944,860.86 and 203,310.36

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Solution

The fourth proportional to 629,784.54, 944,860.86 and 203,310.36 is: 305,024.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,784.54 : 944,860.86 = 203,310.36 : x
  2. Step 2: Convert to fraction form
    629,784.54/944,860.86 = 203,310.36/x
  3. Step 3: Cross multiply
    629,784.54x = 944,860.86 × 203,310.36
  4. Step 4: Simplify right side
    629,784.54x = 192,100,001,596.51
  5. Step 5: Solve for x
    x = 192,100,001,596.51/629,784.54
  6. Step 6: Final answer
    x = 305,024.96

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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.