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Finding the Fourth Proportional to 331,606.20, 497,287.80 and 107,025.60

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Solution

The fourth proportional to 331,606.20, 497,287.80 and 107,025.60 is: 160,499.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,606.20 : 497,287.80 = 107,025.60 : x
  2. Step 2: Convert to fraction form
    331,606.20/497,287.80 = 107,025.60/x
  3. Step 3: Cross multiply
    331,606.20x = 497,287.80 × 107,025.60
  4. Step 4: Simplify right side
    331,606.20x = 53,222,525,167.68
  5. Step 5: Solve for x
    x = 53,222,525,167.68/331,606.20
  6. Step 6: Final answer
    x = 160,499.19

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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.