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Finding the Fourth Proportional to 357.16, 532.75 and 351.76

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Solution

The fourth proportional to 357.16, 532.75 and 351.76 is: 524.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.16 : 532.75 = 351.76 : x
  2. Step 2: Convert to fraction form
    357.16/532.75 = 351.76/x
  3. Step 3: Cross multiply
    357.16x = 532.75 × 351.76
  4. Step 4: Simplify right side
    357.16x = 187,400.14
  5. Step 5: Solve for x
    x = 187,400.14/357.16
  6. Step 6: Final answer
    x = 524.70

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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.