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Finding the Fourth Proportional to 848.34, 1,169.91 and 586.44

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Solution

The fourth proportional to 848.34, 1,169.91 and 586.44 is: 808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.34 : 1,169.91 = 586.44 : x
  2. Step 2: Convert to fraction form
    848.34/1,169.91 = 586.44/x
  3. Step 3: Cross multiply
    848.34x = 1,169.91 × 586.44
  4. Step 4: Simplify right side
    848.34x = 686,082.02
  5. Step 5: Solve for x
    x = 686,082.02/848.34
  6. Step 6: Final answer
    x = 808.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.