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Finding the Fourth Proportional to 1,368.26, 2,051.64 and 588.02

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Solution

The fourth proportional to 1,368.26, 2,051.64 and 588.02 is: 881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.26 : 2,051.64 = 588.02 : x
  2. Step 2: Convert to fraction form
    1,368.26/2,051.64 = 588.02/x
  3. Step 3: Cross multiply
    1,368.26x = 2,051.64 × 588.02
  4. Step 4: Simplify right side
    1,368.26x = 1,206,405.35
  5. Step 5: Solve for x
    x = 1,206,405.35/1,368.26
  6. Step 6: Final answer
    x = 881.71

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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.