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Finding the Fourth Proportional to 333,079.60, 499,619.40 and 298,087.60

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Solution

The fourth proportional to 333,079.60, 499,619.40 and 298,087.60 is: 447,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,079.60 : 499,619.40 = 298,087.60 : x
  2. Step 2: Convert to fraction form
    333,079.60/499,619.40 = 298,087.60/x
  3. Step 3: Cross multiply
    333,079.60x = 499,619.40 × 298,087.60
  4. Step 4: Simplify right side
    333,079.60x = 148,930,347,859.44
  5. Step 5: Solve for x
    x = 148,930,347,859.44/333,079.60
  6. Step 6: Final answer
    x = 447,131.40

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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.