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Finding the Fourth Proportional to 412.07, 569.19 and 333.68

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Solution

The fourth proportional to 412.07, 569.19 and 333.68 is: 460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.07 : 569.19 = 333.68 : x
  2. Step 2: Convert to fraction form
    412.07/569.19 = 333.68/x
  3. Step 3: Cross multiply
    412.07x = 569.19 × 333.68
  4. Step 4: Simplify right side
    412.07x = 189,924.47
  5. Step 5: Solve for x
    x = 189,924.47/412.07
  6. Step 6: Final answer
    x = 460.91

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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.