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Finding the Fourth Proportional to 574,719.91, 862,131.80 and 219,737.00

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Solution

The fourth proportional to 574,719.91, 862,131.80 and 219,737.00 is: 329,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,719.91 : 862,131.80 = 219,737.00 : x
  2. Step 2: Convert to fraction form
    574,719.91/862,131.80 = 219,737.00/x
  3. Step 3: Cross multiply
    574,719.91x = 862,131.80 × 219,737.00
  4. Step 4: Simplify right side
    574,719.91x = 189,442,258,041.27
  5. Step 5: Solve for x
    x = 189,442,258,041.27/574,719.91
  6. Step 6: Final answer
    x = 329,625.36

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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.