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Finding the Fourth Proportional to 1,158.37, 1,737.73 and 336.66

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Solution

The fourth proportional to 1,158.37, 1,737.73 and 336.66 is: 505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.37 : 1,737.73 = 336.66 : x
  2. Step 2: Convert to fraction form
    1,158.37/1,737.73 = 336.66/x
  3. Step 3: Cross multiply
    1,158.37x = 1,737.73 × 336.66
  4. Step 4: Simplify right side
    1,158.37x = 585,015.49
  5. Step 5: Solve for x
    x = 585,015.49/1,158.37
  6. Step 6: Final answer
    x = 505.03

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Why These Related Problems?

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