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Finding the Fourth Proportional to 296,036.20, 444,515.10 and 171,620.20

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Solution

The fourth proportional to 296,036.20, 444,515.10 and 171,620.20 is: 257,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,036.20 : 444,515.10 = 171,620.20 : x
  2. Step 2: Convert to fraction form
    296,036.20/444,515.10 = 171,620.20/x
  3. Step 3: Cross multiply
    296,036.20x = 444,515.10 × 171,620.20
  4. Step 4: Simplify right side
    296,036.20x = 76,287,770,365.02
  5. Step 5: Solve for x
    x = 76,287,770,365.02/296,036.20
  6. Step 6: Final answer
    x = 257,697.44

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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.