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Finding the Fourth Proportional to 399,882.80, 599,824.20 and 367,223.60

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Solution

The fourth proportional to 399,882.80, 599,824.20 and 367,223.60 is: 550,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,882.80 : 599,824.20 = 367,223.60 : x
  2. Step 2: Convert to fraction form
    399,882.80/599,824.20 = 367,223.60/x
  3. Step 3: Cross multiply
    399,882.80x = 599,824.20 × 367,223.60
  4. Step 4: Simplify right side
    399,882.80x = 220,269,602,091.12
  5. Step 5: Solve for x
    x = 220,269,602,091.12/399,882.80
  6. Step 6: Final answer
    x = 550,835.40

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1.5x scale

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.