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Finding the Fourth Proportional to 327,362.01, 491,041.64 and 90,704.00

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Solution

The fourth proportional to 327,362.01, 491,041.64 and 90,704.00 is: 136,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,362.01 : 491,041.64 = 90,704.00 : x
  2. Step 2: Convert to fraction form
    327,362.01/491,041.64 = 90,704.00/x
  3. Step 3: Cross multiply
    327,362.01x = 491,041.64 × 90,704.00
  4. Step 4: Simplify right side
    327,362.01x = 44,539,442,368.92
  5. Step 5: Solve for x
    x = 44,539,442,368.92/327,362.01
  6. Step 6: Final answer
    x = 136,055.63

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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.