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Finding the Fourth Proportional to 701.08, 1,051.20 and 375.88

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Solution

The fourth proportional to 701.08, 1,051.20 and 375.88 is: 563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.08 : 1,051.20 = 375.88 : x
  2. Step 2: Convert to fraction form
    701.08/1,051.20 = 375.88/x
  3. Step 3: Cross multiply
    701.08x = 1,051.20 × 375.88
  4. Step 4: Simplify right side
    701.08x = 395,125.06
  5. Step 5: Solve for x
    x = 395,125.06/701.08
  6. Step 6: Final answer
    x = 563.59

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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.