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Finding the Fourth Proportional to 330,626.40, 495,939.60 and 246,645.60

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Solution

The fourth proportional to 330,626.40, 495,939.60 and 246,645.60 is: 369,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,626.40 : 495,939.60 = 246,645.60 : x
  2. Step 2: Convert to fraction form
    330,626.40/495,939.60 = 246,645.60/x
  3. Step 3: Cross multiply
    330,626.40x = 495,939.60 × 246,645.60
  4. Step 4: Simplify right side
    330,626.40x = 122,321,320,205.76
  5. Step 5: Solve for x
    x = 122,321,320,205.76/330,626.40
  6. Step 6: Final answer
    x = 369,968.40

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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.