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Finding the Fourth Proportional to 669.52, 922.48 and 503.68

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Solution

The fourth proportional to 669.52, 922.48 and 503.68 is: 693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.52 : 922.48 = 503.68 : x
  2. Step 2: Convert to fraction form
    669.52/922.48 = 503.68/x
  3. Step 3: Cross multiply
    669.52x = 922.48 × 503.68
  4. Step 4: Simplify right side
    669.52x = 464,634.73
  5. Step 5: Solve for x
    x = 464,634.73/669.52
  6. Step 6: Final answer
    x = 693.98

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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.