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Finding the Fourth Proportional to 1,197.99, 1,794.59 and 547.83

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Solution

The fourth proportional to 1,197.99, 1,794.59 and 547.83 is: 820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.99 : 1,794.59 = 547.83 : x
  2. Step 2: Convert to fraction form
    1,197.99/1,794.59 = 547.83/x
  3. Step 3: Cross multiply
    1,197.99x = 1,794.59 × 547.83
  4. Step 4: Simplify right side
    1,197.99x = 983,127.50
  5. Step 5: Solve for x
    x = 983,127.50/1,197.99
  6. Step 6: Final answer
    x = 820.65

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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.