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Finding the Fourth Proportional to 1,150.58, 1,725.46 and 370.56

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Solution

The fourth proportional to 1,150.58, 1,725.46 and 370.56 is: 555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.58 : 1,725.46 = 370.56 : x
  2. Step 2: Convert to fraction form
    1,150.58/1,725.46 = 370.56/x
  3. Step 3: Cross multiply
    1,150.58x = 1,725.46 × 370.56
  4. Step 4: Simplify right side
    1,150.58x = 639,386.46
  5. Step 5: Solve for x
    x = 639,386.46/1,150.58
  6. Step 6: Final answer
    x = 555.71

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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.