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Finding the Fourth Proportional to 299,201.88, 448,801.59 and 121,707.39

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Solution

The fourth proportional to 299,201.88, 448,801.59 and 121,707.39 is: 182,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,201.88 : 448,801.59 = 121,707.39 : x
  2. Step 2: Convert to fraction form
    299,201.88/448,801.59 = 121,707.39/x
  3. Step 3: Cross multiply
    299,201.88x = 448,801.59 × 121,707.39
  4. Step 4: Simplify right side
    299,201.88x = 54,622,470,146.75
  5. Step 5: Solve for x
    x = 54,622,470,146.75/299,201.88
  6. Step 6: Final answer
    x = 182,560.58

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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.