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Finding the Fourth Proportional to 368.04, 554.25 and 320.52

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Solution

The fourth proportional to 368.04, 554.25 and 320.52 is: 482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.04 : 554.25 = 320.52 : x
  2. Step 2: Convert to fraction form
    368.04/554.25 = 320.52/x
  3. Step 3: Cross multiply
    368.04x = 554.25 × 320.52
  4. Step 4: Simplify right side
    368.04x = 177,648.21
  5. Step 5: Solve for x
    x = 177,648.21/368.04
  6. Step 6: Final answer
    x = 482.69

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.