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Finding the Fourth Proportional to 328.50, 492.75 and 184.23

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Solution

The fourth proportional to 328.50, 492.75 and 184.23 is: 276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    328.50 : 492.75 = 184.23 : x
  2. Step 2: Convert to fraction form
    328.50/492.75 = 184.23/x
  3. Step 3: Cross multiply
    328.50x = 492.75 × 184.23
  4. Step 4: Simplify right side
    328.50x = 90,779.33
  5. Step 5: Solve for x
    x = 90,779.33/328.50
  6. Step 6: Final answer
    x = 276.35

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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.