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Finding the Fourth Proportional to 422,370.52, 633,555.39 and 169,651.05

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Solution

The fourth proportional to 422,370.52, 633,555.39 and 169,651.05 is: 254,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,370.52 : 633,555.39 = 169,651.05 : x
  2. Step 2: Convert to fraction form
    422,370.52/633,555.39 = 169,651.05/x
  3. Step 3: Cross multiply
    422,370.52x = 633,555.39 × 169,651.05
  4. Step 4: Simplify right side
    422,370.52x = 107,483,333,130.63
  5. Step 5: Solve for x
    x = 107,483,333,130.63/422,370.52
  6. Step 6: Final answer
    x = 254,476.41

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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.