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Finding the Fourth Proportional to 976.34, 1,464.71 and 586.73

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Solution

The fourth proportional to 976.34, 1,464.71 and 586.73 is: 880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    976.34 : 1,464.71 = 586.73 : x
  2. Step 2: Convert to fraction form
    976.34/1,464.71 = 586.73/x
  3. Step 3: Cross multiply
    976.34x = 1,464.71 × 586.73
  4. Step 4: Simplify right side
    976.34x = 859,389.30
  5. Step 5: Solve for x
    x = 859,389.30/976.34
  6. Step 6: Final answer
    x = 880.22

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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.