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Finding the Fourth Proportional to 360,695.52, 541,462.58 and 211,043.20

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Solution

The fourth proportional to 360,695.52, 541,462.58 and 211,043.20 is: 316,810.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,695.52 : 541,462.58 = 211,043.20 : x
  2. Step 2: Convert to fraction form
    360,695.52/541,462.58 = 211,043.20/x
  3. Step 3: Cross multiply
    360,695.52x = 541,462.58 × 211,043.20
  4. Step 4: Simplify right side
    360,695.52x = 114,271,995,563.46
  5. Step 5: Solve for x
    x = 114,271,995,563.46/360,695.52
  6. Step 6: Final answer
    x = 316,810.13

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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.