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Finding the Fourth Proportional to 692.96, 955.60 and 587.93

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Solution

The fourth proportional to 692.96, 955.60 and 587.93 is: 810.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.96 : 955.60 = 587.93 : x
  2. Step 2: Convert to fraction form
    692.96/955.60 = 587.93/x
  3. Step 3: Cross multiply
    692.96x = 955.60 × 587.93
  4. Step 4: Simplify right side
    692.96x = 561,819.66
  5. Step 5: Solve for x
    x = 561,819.66/692.96
  6. Step 6: Final answer
    x = 810.76

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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.