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Finding the Fourth Proportional to 530.25, 794.22 and 376.86

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Solution

The fourth proportional to 530.25, 794.22 and 376.86 is: 564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.25 : 794.22 = 376.86 : x
  2. Step 2: Convert to fraction form
    530.25/794.22 = 376.86/x
  3. Step 3: Cross multiply
    530.25x = 794.22 × 376.86
  4. Step 4: Simplify right side
    530.25x = 299,309.75
  5. Step 5: Solve for x
    x = 299,309.75/530.25
  6. Step 6: Final answer
    x = 564.47

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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.