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Finding the Fourth Proportional to 848.13, 1,171.34 and 583.27

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Solution

The fourth proportional to 848.13, 1,171.34 and 583.27 is: 805.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.13 : 1,171.34 = 583.27 : x
  2. Step 2: Convert to fraction form
    848.13/1,171.34 = 583.27/x
  3. Step 3: Cross multiply
    848.13x = 1,171.34 × 583.27
  4. Step 4: Simplify right side
    848.13x = 683,207.48
  5. Step 5: Solve for x
    x = 683,207.48/848.13
  6. Step 6: Final answer
    x = 805.55

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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.