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Finding the Fourth Proportional to 330,814,512.60, 496,221,768.90 and 330,814,512.60

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Solution

The fourth proportional to 330,814,512.60, 496,221,768.90 and 330,814,512.60 is: 496,221,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,814,512.60 : 496,221,768.90 = 330,814,512.60 : x
  2. Step 2: Convert to fraction form
    330,814,512.60/496,221,768.90 = 330,814,512.60/x
  3. Step 3: Cross multiply
    330,814,512.60x = 496,221,768.90 × 330,814,512.60
  4. Step 4: Simplify right side
    330,814,512.60x = 164,157,362,620,163,328
  5. Step 5: Solve for x
    x = 164,157,362,620,163,328/330,814,512.60
  6. Step 6: Final answer
    x = 496,221,768.90

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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.