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Finding the Fourth Proportional to 504.71, 696.56 and 283.67

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Solution

The fourth proportional to 504.71, 696.56 and 283.67 is: 391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    504.71 : 696.56 = 283.67 : x
  2. Step 2: Convert to fraction form
    504.71/696.56 = 283.67/x
  3. Step 3: Cross multiply
    504.71x = 696.56 × 283.67
  4. Step 4: Simplify right side
    504.71x = 197,593.55
  5. Step 5: Solve for x
    x = 197,593.55/504.71
  6. Step 6: Final answer
    x = 391.50

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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.