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Finding the Fourth Proportional to 395.26, 545.88 and 362.50

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Solution

The fourth proportional to 395.26, 545.88 and 362.50 is: 500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395.26 : 545.88 = 362.50 : x
  2. Step 2: Convert to fraction form
    395.26/545.88 = 362.50/x
  3. Step 3: Cross multiply
    395.26x = 545.88 × 362.50
  4. Step 4: Simplify right side
    395.26x = 197,881.50
  5. Step 5: Solve for x
    x = 197,881.50/395.26
  6. Step 6: Final answer
    x = 500.64

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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.