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Finding the Fourth Proportional to 301,253.36, 451,883.28 and 90,893.12

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Solution

The fourth proportional to 301,253.36, 451,883.28 and 90,893.12 is: 136,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,253.36 : 451,883.28 = 90,893.12 : x
  2. Step 2: Convert to fraction form
    301,253.36/451,883.28 = 90,893.12/x
  3. Step 3: Cross multiply
    301,253.36x = 451,883.28 × 90,893.12
  4. Step 4: Simplify right side
    301,253.36x = 41,073,081,195.03
  5. Step 5: Solve for x
    x = 41,073,081,195.03/301,253.36
  6. Step 6: Final answer
    x = 136,340.66

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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.