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Finding the Fourth Proportional to 322,257.92, 483,420.36 and 153,749.84

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Solution

The fourth proportional to 322,257.92, 483,420.36 and 153,749.84 is: 230,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,257.92 : 483,420.36 = 153,749.84 : x
  2. Step 2: Convert to fraction form
    322,257.92/483,420.36 = 153,749.84/x
  3. Step 3: Cross multiply
    322,257.92x = 483,420.36 × 153,749.84
  4. Step 4: Simplify right side
    322,257.92x = 74,325,803,002.74
  5. Step 5: Solve for x
    x = 74,325,803,002.74/322,257.92
  6. Step 6: Final answer
    x = 230,640.73

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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.