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Finding the Fourth Proportional to 1,154.44, 1,732.58 and 461.18

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Solution

The fourth proportional to 1,154.44, 1,732.58 and 461.18 is: 692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154.44 : 1,732.58 = 461.18 : x
  2. Step 2: Convert to fraction form
    1,154.44/1,732.58 = 461.18/x
  3. Step 3: Cross multiply
    1,154.44x = 1,732.58 × 461.18
  4. Step 4: Simplify right side
    1,154.44x = 799,031.24
  5. Step 5: Solve for x
    x = 799,031.24/1,154.44
  6. Step 6: Final answer
    x = 692.14

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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.