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Finding the Fourth Proportional to 1,706.27, 2,558.93 and 473.81

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Solution

The fourth proportional to 1,706.27, 2,558.93 and 473.81 is: 710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.27 : 2,558.93 = 473.81 : x
  2. Step 2: Convert to fraction form
    1,706.27/2,558.93 = 473.81/x
  3. Step 3: Cross multiply
    1,706.27x = 2,558.93 × 473.81
  4. Step 4: Simplify right side
    1,706.27x = 1,212,431.46
  5. Step 5: Solve for x
    x = 1,212,431.46/1,706.27
  6. Step 6: Final answer
    x = 710.58

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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.