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Finding the Fourth Proportional to 328,233.30, 492,052.95 and 228,441.30

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Solution

The fourth proportional to 328,233.30, 492,052.95 and 228,441.30 is: 342,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,233.30 : 492,052.95 = 228,441.30 : x
  2. Step 2: Convert to fraction form
    328,233.30/492,052.95 = 228,441.30/x
  3. Step 3: Cross multiply
    328,233.30x = 492,052.95 × 228,441.30
  4. Step 4: Simplify right side
    328,233.30x = 112,405,215,566.84
  5. Step 5: Solve for x
    x = 112,405,215,566.84/328,233.30
  6. Step 6: Final answer
    x = 342,455.25

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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.