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Finding the Fourth Proportional to 692, 955.26 and 459.26

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Solution

The fourth proportional to 692, 955.26 and 459.26 is: 633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    692 : 955.26 = 459.26 : x
  2. Step 2: Convert to fraction form
    692/955.26 = 459.26/x
  3. Step 3: Cross multiply
    692x = 955.26 × 459.26
  4. Step 4: Simplify right side
    692x = 438,712.71
  5. Step 5: Solve for x
    x = 438,712.71/692
  6. Step 6: Final answer
    x = 633.98

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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.