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Finding the Fourth Proportional to 330,630.60, 495,168.30 and 330,630.60

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Solution

The fourth proportional to 330,630.60, 495,168.30 and 330,630.60 is: 495,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,630.60 : 495,168.30 = 330,630.60 : x
  2. Step 2: Convert to fraction form
    330,630.60/495,168.30 = 330,630.60/x
  3. Step 3: Cross multiply
    330,630.60x = 495,168.30 × 330,630.60
  4. Step 4: Simplify right side
    330,630.60x = 163,717,792,129.98
  5. Step 5: Solve for x
    x = 163,717,792,129.98/330,630.60
  6. Step 6: Final answer
    x = 495,168.30

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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.