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Finding the Fourth Proportional to 364.93, 544.49 and 339.12

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Solution

The fourth proportional to 364.93, 544.49 and 339.12 is: 505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.93 : 544.49 = 339.12 : x
  2. Step 2: Convert to fraction form
    364.93/544.49 = 339.12/x
  3. Step 3: Cross multiply
    364.93x = 544.49 × 339.12
  4. Step 4: Simplify right side
    364.93x = 184,647.45
  5. Step 5: Solve for x
    x = 184,647.45/364.93
  6. Step 6: Final answer
    x = 505.98

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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.