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Finding the Fourth Proportional to 1,155.51, 1,733.01 and 462.05

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Solution

The fourth proportional to 1,155.51, 1,733.01 and 462.05 is: 692.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155.51 : 1,733.01 = 462.05 : x
  2. Step 2: Convert to fraction form
    1,155.51/1,733.01 = 462.05/x
  3. Step 3: Cross multiply
    1,155.51x = 1,733.01 × 462.05
  4. Step 4: Simplify right side
    1,155.51x = 800,737.27
  5. Step 5: Solve for x
    x = 800,737.27/1,155.51
  6. Step 6: Final answer
    x = 692.97

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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.