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Finding the Fourth Proportional to 692.07, 953.94 and 607.83

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Solution

The fourth proportional to 692.07, 953.94 and 607.83 is: 837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    692.07 : 953.94 = 607.83 : x
  2. Step 2: Convert to fraction form
    692.07/953.94 = 607.83/x
  3. Step 3: Cross multiply
    692.07x = 953.94 × 607.83
  4. Step 4: Simplify right side
    692.07x = 579,833.35
  5. Step 5: Solve for x
    x = 579,833.35/692.07
  6. Step 6: Final answer
    x = 837.82

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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.