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Finding the Fourth Proportional to 1,137.46, 1,706.10 and 444.00

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Solution

The fourth proportional to 1,137.46, 1,706.10 and 444.00 is: 665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.46 : 1,706.10 = 444.00 : x
  2. Step 2: Convert to fraction form
    1,137.46/1,706.10 = 444.00/x
  3. Step 3: Cross multiply
    1,137.46x = 1,706.10 × 444.00
  4. Step 4: Simplify right side
    1,137.46x = 757,499.87
  5. Step 5: Solve for x
    x = 757,499.87/1,137.46
  6. Step 6: Final answer
    x = 665.96

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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.