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Finding the Fourth Proportional to 298,043.40, 446,546.70 and 245,166.60

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Solution

The fourth proportional to 298,043.40, 446,546.70 and 245,166.60 is: 367,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,043.40 : 446,546.70 = 245,166.60 : x
  2. Step 2: Convert to fraction form
    298,043.40/446,546.70 = 245,166.60/x
  3. Step 3: Cross multiply
    298,043.40x = 446,546.70 × 245,166.60
  4. Step 4: Simplify right side
    298,043.40x = 109,478,336,180.22
  5. Step 5: Solve for x
    x = 109,478,336,180.22/298,043.40
  6. Step 6: Final answer
    x = 367,323.47

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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.