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Finding the Fourth Proportional to 1,708.51, 2,562.30 and 475.64

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Solution

The fourth proportional to 1,708.51, 2,562.30 and 475.64 is: 713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708.51 : 2,562.30 = 475.64 : x
  2. Step 2: Convert to fraction form
    1,708.51/2,562.30 = 475.64/x
  3. Step 3: Cross multiply
    1,708.51x = 2,562.30 × 475.64
  4. Step 4: Simplify right side
    1,708.51x = 1,218,732.37
  5. Step 5: Solve for x
    x = 1,218,732.37/1,708.51
  6. Step 6: Final answer
    x = 713.33

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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.