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Finding the Fourth Proportional to 404.18, 606.58 and 296.25

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Solution

The fourth proportional to 404.18, 606.58 and 296.25 is: 444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404.18 : 606.58 = 296.25 : x
  2. Step 2: Convert to fraction form
    404.18/606.58 = 296.25/x
  3. Step 3: Cross multiply
    404.18x = 606.58 × 296.25
  4. Step 4: Simplify right side
    404.18x = 179,699.33
  5. Step 5: Solve for x
    x = 179,699.33/404.18
  6. Step 6: Final answer
    x = 444.60

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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.