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Finding the Fourth Proportional to 633,991.90, 951,131.36 and 364,244.58

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Solution

The fourth proportional to 633,991.90, 951,131.36 and 364,244.58 is: 546,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,991.90 : 951,131.36 = 364,244.58 : x
  2. Step 2: Convert to fraction form
    633,991.90/951,131.36 = 364,244.58/x
  3. Step 3: Cross multiply
    633,991.90x = 951,131.36 × 364,244.58
  4. Step 4: Simplify right side
    633,991.90x = 346,444,436,171.15
  5. Step 5: Solve for x
    x = 346,444,436,171.15/633,991.90
  6. Step 6: Final answer
    x = 546,449.31

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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.