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Finding the Fourth Proportional to 505,412.97, 758,067.41 and 168,417.19

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Solution

The fourth proportional to 505,412.97, 758,067.41 and 168,417.19 is: 252,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,412.97 : 758,067.41 = 168,417.19 : x
  2. Step 2: Convert to fraction form
    505,412.97/758,067.41 = 168,417.19/x
  3. Step 3: Cross multiply
    505,412.97x = 758,067.41 × 168,417.19
  4. Step 4: Simplify right side
    505,412.97x = 127,671,582,180.69
  5. Step 5: Solve for x
    x = 127,671,582,180.69/505,412.97
  6. Step 6: Final answer
    x = 252,608.44

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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.