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Finding the Fourth Proportional to 1,123.67, 1,685.41 and 301.93

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Solution

The fourth proportional to 1,123.67, 1,685.41 and 301.93 is: 452.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123.67 : 1,685.41 = 301.93 : x
  2. Step 2: Convert to fraction form
    1,123.67/1,685.41 = 301.93/x
  3. Step 3: Cross multiply
    1,123.67x = 1,685.41 × 301.93
  4. Step 4: Simplify right side
    1,123.67x = 508,870.87
  5. Step 5: Solve for x
    x = 508,870.87/1,123.67
  6. Step 6: Final answer
    x = 452.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.