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Finding the Fourth Proportional to 1,197.84, 1,796.76 and 924.60

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Solution

The fourth proportional to 1,197.84, 1,796.76 and 924.60 is: 1,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.84 : 1,796.76 = 924.60 : x
  2. Step 2: Convert to fraction form
    1,197.84/1,796.76 = 924.60/x
  3. Step 3: Cross multiply
    1,197.84x = 1,796.76 × 924.60
  4. Step 4: Simplify right side
    1,197.84x = 1,661,284.30
  5. Step 5: Solve for x
    x = 1,661,284.30/1,197.84
  6. Step 6: Final answer
    x = 1,386.90

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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.