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Finding the Fourth Proportional to 368.24, 549.64 and 335.84

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Solution

The fourth proportional to 368.24, 549.64 and 335.84 is: 501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.24 : 549.64 = 335.84 : x
  2. Step 2: Convert to fraction form
    368.24/549.64 = 335.84/x
  3. Step 3: Cross multiply
    368.24x = 549.64 × 335.84
  4. Step 4: Simplify right side
    368.24x = 184,591.10
  5. Step 5: Solve for x
    x = 184,591.10/368.24
  6. Step 6: Final answer
    x = 501.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.