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Finding the Fourth Proportional to 455.58, 683.61 and 293.58

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Solution

The fourth proportional to 455.58, 683.61 and 293.58 is: 440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    455.58 : 683.61 = 293.58 : x
  2. Step 2: Convert to fraction form
    455.58/683.61 = 293.58/x
  3. Step 3: Cross multiply
    455.58x = 683.61 × 293.58
  4. Step 4: Simplify right side
    455.58x = 200,694.22
  5. Step 5: Solve for x
    x = 200,694.22/455.58
  6. Step 6: Final answer
    x = 440.52

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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.