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Finding the Fourth Proportional to 327,551.12, 452,020.20 and 191,678.48

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Solution

The fourth proportional to 327,551.12, 452,020.20 and 191,678.48 is: 264,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,551.12 : 452,020.20 = 191,678.48 : x
  2. Step 2: Convert to fraction form
    327,551.12/452,020.20 = 191,678.48/x
  3. Step 3: Cross multiply
    327,551.12x = 452,020.20 × 191,678.48
  4. Step 4: Simplify right side
    327,551.12x = 86,642,544,865.30
  5. Step 5: Solve for x
    x = 86,642,544,865.30/327,551.12
  6. Step 6: Final answer
    x = 264,516.10

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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.