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Finding the Fourth Proportional to 328,556.95, 460,912.85 and 328,556.95

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Solution

The fourth proportional to 328,556.95, 460,912.85 and 328,556.95 is: 460,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,556.95 : 460,912.85 = 328,556.95 : x
  2. Step 2: Convert to fraction form
    328,556.95/460,912.85 = 328,556.95/x
  3. Step 3: Cross multiply
    328,556.95x = 460,912.85 × 328,556.95
  4. Step 4: Simplify right side
    328,556.95x = 151,436,120,211.81
  5. Step 5: Solve for x
    x = 151,436,120,211.81/328,556.95
  6. Step 6: Final answer
    x = 460,912.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.