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Finding the Fourth Proportional to 418,185.60, 577,093.02 and 227,200.56

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Solution

The fourth proportional to 418,185.60, 577,093.02 and 227,200.56 is: 313,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,185.60 : 577,093.02 = 227,200.56 : x
  2. Step 2: Convert to fraction form
    418,185.60/577,093.02 = 227,200.56/x
  3. Step 3: Cross multiply
    418,185.60x = 577,093.02 × 227,200.56
  4. Step 4: Simplify right side
    418,185.60x = 131,115,857,316.09
  5. Step 5: Solve for x
    x = 131,115,857,316.09/418,185.60
  6. Step 6: Final answer
    x = 313,535.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.