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Finding the Fourth Proportional to 1,223.37, 1,834.34 and 483.03

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Solution

The fourth proportional to 1,223.37, 1,834.34 and 483.03 is: 724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.37 : 1,834.34 = 483.03 : x
  2. Step 2: Convert to fraction form
    1,223.37/1,834.34 = 483.03/x
  3. Step 3: Cross multiply
    1,223.37x = 1,834.34 × 483.03
  4. Step 4: Simplify right side
    1,223.37x = 886,038.84
  5. Step 5: Solve for x
    x = 886,038.84/1,223.37
  6. Step 6: Final answer
    x = 724.26

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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.