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Finding the Fourth Proportional to 357.46, 536.26 and 152.14

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Solution

The fourth proportional to 357.46, 536.26 and 152.14 is: 228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.46 : 536.26 = 152.14 : x
  2. Step 2: Convert to fraction form
    357.46/536.26 = 152.14/x
  3. Step 3: Cross multiply
    357.46x = 536.26 × 152.14
  4. Step 4: Simplify right side
    357.46x = 81,586.60
  5. Step 5: Solve for x
    x = 81,586.60/357.46
  6. Step 6: Final answer
    x = 228.24

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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.