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Finding the Fourth Proportional to 848.23, 1,170.33 and 516.82

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Solution

The fourth proportional to 848.23, 1,170.33 and 516.82 is: 713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.23 : 1,170.33 = 516.82 : x
  2. Step 2: Convert to fraction form
    848.23/1,170.33 = 516.82/x
  3. Step 3: Cross multiply
    848.23x = 1,170.33 × 516.82
  4. Step 4: Simplify right side
    848.23x = 604,849.95
  5. Step 5: Solve for x
    x = 604,849.95/848.23
  6. Step 6: Final answer
    x = 713.07

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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.