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Finding the Fourth Proportional to 629,449.51, 944,453.31 and 329,858.86

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Solution

The fourth proportional to 629,449.51, 944,453.31 and 329,858.86 is: 494,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,449.51 : 944,453.31 = 329,858.86 : x
  2. Step 2: Convert to fraction form
    629,449.51/944,453.31 = 329,858.86/x
  3. Step 3: Cross multiply
    629,449.51x = 944,453.31 × 329,858.86
  4. Step 4: Simplify right side
    629,449.51x = 311,536,292,159.83
  5. Step 5: Solve for x
    x = 311,536,292,159.83/629,449.51
  6. Step 6: Final answer
    x = 494,934.52

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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.