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Finding the Fourth Proportional to 554, 829.48 and 371.14

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Solution

The fourth proportional to 554, 829.48 and 371.14 is: 555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    554 : 829.48 = 371.14 : x
  2. Step 2: Convert to fraction form
    554/829.48 = 371.14/x
  3. Step 3: Cross multiply
    554x = 829.48 × 371.14
  4. Step 4: Simplify right side
    554x = 307,853.21
  5. Step 5: Solve for x
    x = 307,853.21/554
  6. Step 6: Final answer
    x = 555.69

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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.