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Finding the Fourth Proportional to 851.37, 1,175.32 and 588.93

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Solution

The fourth proportional to 851.37, 1,175.32 and 588.93 is: 813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    851.37 : 1,175.32 = 588.93 : x
  2. Step 2: Convert to fraction form
    851.37/1,175.32 = 588.93/x
  3. Step 3: Cross multiply
    851.37x = 1,175.32 × 588.93
  4. Step 4: Simplify right side
    851.37x = 692,181.26
  5. Step 5: Solve for x
    x = 692,181.26/851.37
  6. Step 6: Final answer
    x = 813.02

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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.