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Finding the Fourth Proportional to 1,137.16, 1,706.24 and 444.04

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Solution

The fourth proportional to 1,137.16, 1,706.24 and 444.04 is: 666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137.16 : 1,706.24 = 444.04 : x
  2. Step 2: Convert to fraction form
    1,137.16/1,706.24 = 444.04/x
  3. Step 3: Cross multiply
    1,137.16x = 1,706.24 × 444.04
  4. Step 4: Simplify right side
    1,137.16x = 757,638.81
  5. Step 5: Solve for x
    x = 757,638.81/1,137.16
  6. Step 6: Final answer
    x = 666.26

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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.