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Finding the Fourth Proportional to 1,063.45, 1,594.23 and 369.55

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Solution

The fourth proportional to 1,063.45, 1,594.23 and 369.55 is: 554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.45 : 1,594.23 = 369.55 : x
  2. Step 2: Convert to fraction form
    1,063.45/1,594.23 = 369.55/x
  3. Step 3: Cross multiply
    1,063.45x = 1,594.23 × 369.55
  4. Step 4: Simplify right side
    1,063.45x = 589,147.70
  5. Step 5: Solve for x
    x = 589,147.70/1,063.45
  6. Step 6: Final answer
    x = 554.00

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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.