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Finding the Fourth Proportional to 504.99, 696.92 and 283.92

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Solution

The fourth proportional to 504.99, 696.92 and 283.92 is: 391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.99 : 696.92 = 283.92 : x
  2. Step 2: Convert to fraction form
    504.99/696.92 = 283.92/x
  3. Step 3: Cross multiply
    504.99x = 696.92 × 283.92
  4. Step 4: Simplify right side
    504.99x = 197,868.11
  5. Step 5: Solve for x
    x = 197,868.11/504.99
  6. Step 6: Final answer
    x = 391.83

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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.