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Finding the Fourth Proportional to 1,150.70, 1,725.23 and 370.44

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Solution

The fourth proportional to 1,150.70, 1,725.23 and 370.44 is: 555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.70 : 1,725.23 = 370.44 : x
  2. Step 2: Convert to fraction form
    1,150.70/1,725.23 = 370.44/x
  3. Step 3: Cross multiply
    1,150.70x = 1,725.23 × 370.44
  4. Step 4: Simplify right side
    1,150.70x = 639,095.13
  5. Step 5: Solve for x
    x = 639,095.13/1,150.70
  6. Step 6: Final answer
    x = 555.40

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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.