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Finding the Fourth Proportional to 775.01, 1,162.96 and 364.01

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Solution

The fourth proportional to 775.01, 1,162.96 and 364.01 is: 546.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775.01 : 1,162.96 = 364.01 : x
  2. Step 2: Convert to fraction form
    775.01/1,162.96 = 364.01/x
  3. Step 3: Cross multiply
    775.01x = 1,162.96 × 364.01
  4. Step 4: Simplify right side
    775.01x = 423,322.34
  5. Step 5: Solve for x
    x = 423,322.34/775.01
  6. Step 6: Final answer
    x = 546.21

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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.