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Finding the Fourth Proportional to 669.71, 924.23 and 374.98

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Solution

The fourth proportional to 669.71, 924.23 and 374.98 is: 517.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    669.71 : 924.23 = 374.98 : x
  2. Step 2: Convert to fraction form
    669.71/924.23 = 374.98/x
  3. Step 3: Cross multiply
    669.71x = 924.23 × 374.98
  4. Step 4: Simplify right side
    669.71x = 346,563.58
  5. Step 5: Solve for x
    x = 346,563.58/669.71
  6. Step 6: Final answer
    x = 517.48

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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.