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Finding the Fourth Proportional to 1,026.36, 1,416.51 and 584.42

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Solution

The fourth proportional to 1,026.36, 1,416.51 and 584.42 is: 806.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.36 : 1,416.51 = 584.42 : x
  2. Step 2: Convert to fraction form
    1,026.36/1,416.51 = 584.42/x
  3. Step 3: Cross multiply
    1,026.36x = 1,416.51 × 584.42
  4. Step 4: Simplify right side
    1,026.36x = 827,829.69
  5. Step 5: Solve for x
    x = 827,829.69/1,026.36
  6. Step 6: Final answer
    x = 806.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.