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Finding the Fourth Proportional to 574,541.73, 861,870.92 and 219,854.07

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Solution

The fourth proportional to 574,541.73, 861,870.92 and 219,854.07 is: 329,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,541.73 : 861,870.92 = 219,854.07 : x
  2. Step 2: Convert to fraction form
    574,541.73/861,870.92 = 219,854.07/x
  3. Step 3: Cross multiply
    574,541.73x = 861,870.92 × 219,854.07
  4. Step 4: Simplify right side
    574,541.73x = 189,485,828,477.37
  5. Step 5: Solve for x
    x = 189,485,828,477.37/574,541.73
  6. Step 6: Final answer
    x = 329,803.42

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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.