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Finding the Fourth Proportional to 1,367.38, 2,051.93 and 545.74

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Solution

The fourth proportional to 1,367.38, 2,051.93 and 545.74 is: 818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.38 : 2,051.93 = 545.74 : x
  2. Step 2: Convert to fraction form
    1,367.38/2,051.93 = 545.74/x
  3. Step 3: Cross multiply
    1,367.38x = 2,051.93 × 545.74
  4. Step 4: Simplify right side
    1,367.38x = 1,119,816.51
  5. Step 5: Solve for x
    x = 1,119,816.51/1,367.38
  6. Step 6: Final answer
    x = 818.95

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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.