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Finding the Fourth Proportional to 333,632.40, 499,768.20 and 206,883.60

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Solution

The fourth proportional to 333,632.40, 499,768.20 and 206,883.60 is: 309,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,632.40 : 499,768.20 = 206,883.60 : x
  2. Step 2: Convert to fraction form
    333,632.40/499,768.20 = 206,883.60/x
  3. Step 3: Cross multiply
    333,632.40x = 499,768.20 × 206,883.60
  4. Step 4: Simplify right side
    333,632.40x = 103,393,844,381.52
  5. Step 5: Solve for x
    x = 103,393,844,381.52/333,632.40
  6. Step 6: Final answer
    x = 309,903.49

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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.