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Finding the Fourth Proportional to 852.32, 1,277.24 and 461.99

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Solution

The fourth proportional to 852.32, 1,277.24 and 461.99 is: 692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    852.32 : 1,277.24 = 461.99 : x
  2. Step 2: Convert to fraction form
    852.32/1,277.24 = 461.99/x
  3. Step 3: Cross multiply
    852.32x = 1,277.24 × 461.99
  4. Step 4: Simplify right side
    852.32x = 590,072.11
  5. Step 5: Solve for x
    x = 590,072.11/852.32
  6. Step 6: Final answer
    x = 692.31

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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.