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Finding the Fourth Proportional to 464.11, 695.63 and 190.06

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Solution

The fourth proportional to 464.11, 695.63 and 190.06 is: 284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.11 : 695.63 = 190.06 : x
  2. Step 2: Convert to fraction form
    464.11/695.63 = 190.06/x
  3. Step 3: Cross multiply
    464.11x = 695.63 × 190.06
  4. Step 4: Simplify right side
    464.11x = 132,210.17
  5. Step 5: Solve for x
    x = 132,210.17/464.11
  6. Step 6: Final answer
    x = 284.87

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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.