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Finding the Fourth Proportional to 797.65, 1,196.47 and 364.50

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Solution

The fourth proportional to 797.65, 1,196.47 and 364.50 is: 546.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.65 : 1,196.47 = 364.50 : x
  2. Step 2: Convert to fraction form
    797.65/1,196.47 = 364.50/x
  3. Step 3: Cross multiply
    797.65x = 1,196.47 × 364.50
  4. Step 4: Simplify right side
    797.65x = 436,113.77
  5. Step 5: Solve for x
    x = 436,113.77/797.65
  6. Step 6: Final answer
    x = 546.75

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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.