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Finding the Fourth Proportional to 353.46, 526.79 and 352.92

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Solution

The fourth proportional to 353.46, 526.79 and 352.92 is: 525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353.46 : 526.79 = 352.92 : x
  2. Step 2: Convert to fraction form
    353.46/526.79 = 352.92/x
  3. Step 3: Cross multiply
    353.46x = 526.79 × 352.92
  4. Step 4: Simplify right side
    353.46x = 185,912.96
  5. Step 5: Solve for x
    x = 185,912.96/353.46
  6. Step 6: Final answer
    x = 525.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.