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Finding the Fourth Proportional to 696.16, 1,044.30 and 263.32

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Solution

The fourth proportional to 696.16, 1,044.30 and 263.32 is: 395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.16 : 1,044.30 = 263.32 : x
  2. Step 2: Convert to fraction form
    696.16/1,044.30 = 263.32/x
  3. Step 3: Cross multiply
    696.16x = 1,044.30 × 263.32
  4. Step 4: Simplify right side
    696.16x = 274,985.08
  5. Step 5: Solve for x
    x = 274,985.08/696.16
  6. Step 6: Final answer
    x = 395.00

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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.