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Finding the Fourth Proportional to 368.04, 551.91 and 265.02

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Solution

The fourth proportional to 368.04, 551.91 and 265.02 is: 397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.04 : 551.91 = 265.02 : x
  2. Step 2: Convert to fraction form
    368.04/551.91 = 265.02/x
  3. Step 3: Cross multiply
    368.04x = 551.91 × 265.02
  4. Step 4: Simplify right side
    368.04x = 146,264.43
  5. Step 5: Solve for x
    x = 146,264.43/368.04
  6. Step 6: Final answer
    x = 397.42

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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.