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Finding the Fourth Proportional to 884.16, 1,326.32 and 364.19

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Solution

The fourth proportional to 884.16, 1,326.32 and 364.19 is: 546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    884.16 : 1,326.32 = 364.19 : x
  2. Step 2: Convert to fraction form
    884.16/1,326.32 = 364.19/x
  3. Step 3: Cross multiply
    884.16x = 1,326.32 × 364.19
  4. Step 4: Simplify right side
    884.16x = 483,035.34
  5. Step 5: Solve for x
    x = 483,035.34/884.16
  6. Step 6: Final answer
    x = 546.32

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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.