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Finding the Fourth Proportional to 848.01, 1,170.51 and 516.63

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Solution

The fourth proportional to 848.01, 1,170.51 and 516.63 is: 713.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.01 : 1,170.51 = 516.63 : x
  2. Step 2: Convert to fraction form
    848.01/1,170.51 = 516.63/x
  3. Step 3: Cross multiply
    848.01x = 1,170.51 × 516.63
  4. Step 4: Simplify right side
    848.01x = 604,720.58
  5. Step 5: Solve for x
    x = 604,720.58/848.01
  6. Step 6: Final answer
    x = 713.11

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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.