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Finding the Fourth Proportional to 350.66, 483.59 and 304.01

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Solution

The fourth proportional to 350.66, 483.59 and 304.01 is: 419.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.66 : 483.59 = 304.01 : x
  2. Step 2: Convert to fraction form
    350.66/483.59 = 304.01/x
  3. Step 3: Cross multiply
    350.66x = 483.59 × 304.01
  4. Step 4: Simplify right side
    350.66x = 147,012.26
  5. Step 5: Solve for x
    x = 147,012.26/350.66
  6. Step 6: Final answer
    x = 419.25

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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.