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Finding the Fourth Proportional to 1,055.45, 1,583.33 and 568.24

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Solution

The fourth proportional to 1,055.45, 1,583.33 and 568.24 is: 852.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055.45 : 1,583.33 = 568.24 : x
  2. Step 2: Convert to fraction form
    1,055.45/1,583.33 = 568.24/x
  3. Step 3: Cross multiply
    1,055.45x = 1,583.33 × 568.24
  4. Step 4: Simplify right side
    1,055.45x = 899,711.44
  5. Step 5: Solve for x
    x = 899,711.44/1,055.45
  6. Step 6: Final answer
    x = 852.44

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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.