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Finding the Fourth Proportional to 1,056.73, 1,458.26 and 584.67

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Solution

The fourth proportional to 1,056.73, 1,458.26 and 584.67 is: 806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.73 : 1,458.26 = 584.67 : x
  2. Step 2: Convert to fraction form
    1,056.73/1,458.26 = 584.67/x
  3. Step 3: Cross multiply
    1,056.73x = 1,458.26 × 584.67
  4. Step 4: Simplify right side
    1,056.73x = 852,600.87
  5. Step 5: Solve for x
    x = 852,600.87/1,056.73
  6. Step 6: Final answer
    x = 806.83

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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.