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Finding the Fourth Proportional to 252,507.75, 378,825.06 and 72,593.51

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Solution

The fourth proportional to 252,507.75, 378,825.06 and 72,593.51 is: 108,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,507.75 : 378,825.06 = 72,593.51 : x
  2. Step 2: Convert to fraction form
    252,507.75/378,825.06 = 72,593.51/x
  3. Step 3: Cross multiply
    252,507.75x = 378,825.06 × 72,593.51
  4. Step 4: Simplify right side
    252,507.75x = 27,500,238,887.24
  5. Step 5: Solve for x
    x = 27,500,238,887.24/252,507.75
  6. Step 6: Final answer
    x = 108,908.49

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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.