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Finding the Fourth Proportional to 464.73, 697.05 and 282.07

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Solution

The fourth proportional to 464.73, 697.05 and 282.07 is: 423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464.73 : 697.05 = 282.07 : x
  2. Step 2: Convert to fraction form
    464.73/697.05 = 282.07/x
  3. Step 3: Cross multiply
    464.73x = 697.05 × 282.07
  4. Step 4: Simplify right side
    464.73x = 196,617.76
  5. Step 5: Solve for x
    x = 196,617.76/464.73
  6. Step 6: Final answer
    x = 423.08

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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.