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Finding the Fourth Proportional to 211,250.52, 316,411.38 and 199,604.88

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Solution

The fourth proportional to 211,250.52, 316,411.38 and 199,604.88 is: 298,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,250.52 : 316,411.38 = 199,604.88 : x
  2. Step 2: Convert to fraction form
    211,250.52/316,411.38 = 199,604.88/x
  3. Step 3: Cross multiply
    211,250.52x = 316,411.38 × 199,604.88
  4. Step 4: Simplify right side
    211,250.52x = 63,157,255,535.53
  5. Step 5: Solve for x
    x = 63,157,255,535.53/211,250.52
  6. Step 6: Final answer
    x = 298,968.52

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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.