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Finding the Fourth Proportional to 333,084.08, 499,621.47 and 80,362.45

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Solution

The fourth proportional to 333,084.08, 499,621.47 and 80,362.45 is: 120,542.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,084.08 : 499,621.47 = 80,362.45 : x
  2. Step 2: Convert to fraction form
    333,084.08/499,621.47 = 80,362.45/x
  3. Step 3: Cross multiply
    333,084.08x = 499,621.47 × 80,362.45
  4. Step 4: Simplify right side
    333,084.08x = 40,150,805,401.80
  5. Step 5: Solve for x
    x = 40,150,805,401.80/333,084.08
  6. Step 6: Final answer
    x = 120,542.55

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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.