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Finding the Fourth Proportional to 357.96, 532.95 and 353.64

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Solution

The fourth proportional to 357.96, 532.95 and 353.64 is: 526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.96 : 532.95 = 353.64 : x
  2. Step 2: Convert to fraction form
    357.96/532.95 = 353.64/x
  3. Step 3: Cross multiply
    357.96x = 532.95 × 353.64
  4. Step 4: Simplify right side
    357.96x = 188,472.44
  5. Step 5: Solve for x
    x = 188,472.44/357.96
  6. Step 6: Final answer
    x = 526.52

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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.