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Finding the Fourth Proportional to 798.16, 1,195.64 and 364.72

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Solution

The fourth proportional to 798.16, 1,195.64 and 364.72 is: 546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.16 : 1,195.64 = 364.72 : x
  2. Step 2: Convert to fraction form
    798.16/1,195.64 = 364.72/x
  3. Step 3: Cross multiply
    798.16x = 1,195.64 × 364.72
  4. Step 4: Simplify right side
    798.16x = 436,073.82
  5. Step 5: Solve for x
    x = 436,073.82/798.16
  6. Step 6: Final answer
    x = 546.35

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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.