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Finding the Fourth Proportional to 362.50, 499.98 and 357.10

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Solution

The fourth proportional to 362.50, 499.98 and 357.10 is: 492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.50 : 499.98 = 357.10 : x
  2. Step 2: Convert to fraction form
    362.50/499.98 = 357.10/x
  3. Step 3: Cross multiply
    362.50x = 499.98 × 357.10
  4. Step 4: Simplify right side
    362.50x = 178,542.86
  5. Step 5: Solve for x
    x = 178,542.86/362.50
  6. Step 6: Final answer
    x = 492.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.