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Finding the Fourth Proportional to 327,354.68, 491,032.67 and 90,698.00

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Solution

The fourth proportional to 327,354.68, 491,032.67 and 90,698.00 is: 136,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,354.68 : 491,032.67 = 90,698.00 : x
  2. Step 2: Convert to fraction form
    327,354.68/491,032.67 = 90,698.00/x
  3. Step 3: Cross multiply
    327,354.68x = 491,032.67 × 90,698.00
  4. Step 4: Simplify right side
    327,354.68x = 44,535,678,195.01
  5. Step 5: Solve for x
    x = 44,535,678,195.01/327,354.68
  6. Step 6: Final answer
    x = 136,047.17

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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.