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Finding the Fourth Proportional to 1,706.67, 2,560.01 and 474.08

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Solution

The fourth proportional to 1,706.67, 2,560.01 and 474.08 is: 711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.67 : 2,560.01 = 474.08 : x
  2. Step 2: Convert to fraction form
    1,706.67/2,560.01 = 474.08/x
  3. Step 3: Cross multiply
    1,706.67x = 2,560.01 × 474.08
  4. Step 4: Simplify right side
    1,706.67x = 1,213,634.37
  5. Step 5: Solve for x
    x = 1,213,634.37/1,706.67
  6. Step 6: Final answer
    x = 711.11

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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.