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Finding the Fourth Proportional to 702.02, 1,052 and 350.44

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Solution

The fourth proportional to 702.02, 1,052 and 350.44 is: 525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.02 : 1,052 = 350.44 : x
  2. Step 2: Convert to fraction form
    702.02/1,052 = 350.44/x
  3. Step 3: Cross multiply
    702.02x = 1,052 × 350.44
  4. Step 4: Simplify right side
    702.02x = 368,662.88
  5. Step 5: Solve for x
    x = 368,662.88/702.02
  6. Step 6: Final answer
    x = 525.15

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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.