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Finding the Fourth Proportional to 303,351.48, 418,373.10 and 227,768.76

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Solution

The fourth proportional to 303,351.48, 418,373.10 and 227,768.76 is: 314,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,351.48 : 418,373.10 = 227,768.76 : x
  2. Step 2: Convert to fraction form
    303,351.48/418,373.10 = 227,768.76/x
  3. Step 3: Cross multiply
    303,351.48x = 418,373.10 × 227,768.76
  4. Step 4: Simplify right side
    303,351.48x = 95,292,322,204.36
  5. Step 5: Solve for x
    x = 95,292,322,204.36/303,351.48
  6. Step 6: Final answer
    x = 314,131.72

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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.