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Finding the Fourth Proportional to 571,275.91, 857,004.52 and 229,718.44

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Solution

The fourth proportional to 571,275.91, 857,004.52 and 229,718.44 is: 344,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,275.91 : 857,004.52 = 229,718.44 : x
  2. Step 2: Convert to fraction form
    571,275.91/857,004.52 = 229,718.44/x
  3. Step 3: Cross multiply
    571,275.91x = 857,004.52 × 229,718.44
  4. Step 4: Simplify right side
    571,275.91x = 196,869,741,407.35
  5. Step 5: Solve for x
    x = 196,869,741,407.35/571,275.91
  6. Step 6: Final answer
    x = 344,614.11

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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.