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Finding the Fourth Proportional to 700.29, 1,049.67 and 352.94

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Solution

The fourth proportional to 700.29, 1,049.67 and 352.94 is: 529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.29 : 1,049.67 = 352.94 : x
  2. Step 2: Convert to fraction form
    700.29/1,049.67 = 352.94/x
  3. Step 3: Cross multiply
    700.29x = 1,049.67 × 352.94
  4. Step 4: Simplify right side
    700.29x = 370,465.28
  5. Step 5: Solve for x
    x = 370,465.28/700.29
  6. Step 6: Final answer
    x = 529.02

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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.