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Finding the Fourth Proportional to 327,553.51, 491,330.51 and 90,896.42

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Solution

The fourth proportional to 327,553.51, 491,330.51 and 90,896.42 is: 136,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,553.51 : 491,330.51 = 90,896.42 : x
  2. Step 2: Convert to fraction form
    327,553.51/491,330.51 = 90,896.42/x
  3. Step 3: Cross multiply
    327,553.51x = 491,330.51 × 90,896.42
  4. Step 4: Simplify right side
    327,553.51x = 44,660,184,395.77
  5. Step 5: Solve for x
    x = 44,660,184,395.77/327,553.51
  6. Step 6: Final answer
    x = 136,344.70

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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.