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Finding the Fourth Proportional to 1,063.13, 1,594.28 and 369.66

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Solution

The fourth proportional to 1,063.13, 1,594.28 and 369.66 is: 554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063.13 : 1,594.28 = 369.66 : x
  2. Step 2: Convert to fraction form
    1,063.13/1,594.28 = 369.66/x
  3. Step 3: Cross multiply
    1,063.13x = 1,594.28 × 369.66
  4. Step 4: Simplify right side
    1,063.13x = 589,348.45
  5. Step 5: Solve for x
    x = 589,348.45/1,063.13
  6. Step 6: Final answer
    x = 554.35

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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.