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Finding the Fourth Proportional to 702.04, 1,052.74 and 263.13

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Solution

The fourth proportional to 702.04, 1,052.74 and 263.13 is: 394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.04 : 1,052.74 = 263.13 : x
  2. Step 2: Convert to fraction form
    702.04/1,052.74 = 263.13/x
  3. Step 3: Cross multiply
    702.04x = 1,052.74 × 263.13
  4. Step 4: Simplify right side
    702.04x = 277,007.48
  5. Step 5: Solve for x
    x = 277,007.48/702.04
  6. Step 6: Final answer
    x = 394.58

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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.