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Finding the Fourth Proportional to 1,103.93, 1,523.34 and 655.82

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Solution

The fourth proportional to 1,103.93, 1,523.34 and 655.82 is: 904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103.93 : 1,523.34 = 655.82 : x
  2. Step 2: Convert to fraction form
    1,103.93/1,523.34 = 655.82/x
  3. Step 3: Cross multiply
    1,103.93x = 1,523.34 × 655.82
  4. Step 4: Simplify right side
    1,103.93x = 999,036.84
  5. Step 5: Solve for x
    x = 999,036.84/1,103.93
  6. Step 6: Final answer
    x = 904.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.