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Finding the Fourth Proportional to 322,571.20, 483,856.80 and 233,406.40

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Solution

The fourth proportional to 322,571.20, 483,856.80 and 233,406.40 is: 350,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,571.20 : 483,856.80 = 233,406.40 : x
  2. Step 2: Convert to fraction form
    322,571.20/483,856.80 = 233,406.40/x
  3. Step 3: Cross multiply
    322,571.20x = 483,856.80 × 233,406.40
  4. Step 4: Simplify right side
    322,571.20x = 112,935,273,803.52
  5. Step 5: Solve for x
    x = 112,935,273,803.52/322,571.20
  6. Step 6: Final answer
    x = 350,109.60

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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.