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Finding the Fourth Proportional to 1,469.79, 2,204.70 and 374.16

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Solution

The fourth proportional to 1,469.79, 2,204.70 and 374.16 is: 561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.79 : 2,204.70 = 374.16 : x
  2. Step 2: Convert to fraction form
    1,469.79/2,204.70 = 374.16/x
  3. Step 3: Cross multiply
    1,469.79x = 2,204.70 × 374.16
  4. Step 4: Simplify right side
    1,469.79x = 824,902.28
  5. Step 5: Solve for x
    x = 824,902.28/1,469.79
  6. Step 6: Final answer
    x = 561.24

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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.