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Finding the Fourth Proportional to 322,325.74, 483,698.40 and 122,647.78

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Solution

The fourth proportional to 322,325.74, 483,698.40 and 122,647.78 is: 184,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,325.74 : 483,698.40 = 122,647.78 : x
  2. Step 2: Convert to fraction form
    322,325.74/483,698.40 = 122,647.78/x
  3. Step 3: Cross multiply
    322,325.74x = 483,698.40 × 122,647.78
  4. Step 4: Simplify right side
    322,325.74x = 59,324,534,949.55
  5. Step 5: Solve for x
    x = 59,324,534,949.55/322,325.74
  6. Step 6: Final answer
    x = 184,051.50

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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.