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Finding the Fourth Proportional to 358,744.87, 495,067.86 and 197,599.91

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Solution

The fourth proportional to 358,744.87, 495,067.86 and 197,599.91 is: 272,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,744.87 : 495,067.86 = 197,599.91 : x
  2. Step 2: Convert to fraction form
    358,744.87/495,067.86 = 197,599.91/x
  3. Step 3: Cross multiply
    358,744.87x = 495,067.86 × 197,599.91
  4. Step 4: Simplify right side
    358,744.87x = 97,825,364,579.89
  5. Step 5: Solve for x
    x = 97,825,364,579.89/358,744.87
  6. Step 6: Final answer
    x = 272,687.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.