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Finding the Fourth Proportional to 367,047.60, 550,571.40 and 328,556.40

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Solution

The fourth proportional to 367,047.60, 550,571.40 and 328,556.40 is: 492,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,047.60 : 550,571.40 = 328,556.40 : x
  2. Step 2: Convert to fraction form
    367,047.60/550,571.40 = 328,556.40/x
  3. Step 3: Cross multiply
    367,047.60x = 550,571.40 × 328,556.40
  4. Step 4: Simplify right side
    367,047.60x = 180,893,757,126.96
  5. Step 5: Solve for x
    x = 180,893,757,126.96/367,047.60
  6. Step 6: Final answer
    x = 492,834.60

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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.