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Finding the Fourth Proportional to 322,339.70, 483,509.46 and 100,723.70

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Solution

The fourth proportional to 322,339.70, 483,509.46 and 100,723.70 is: 151,085.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,339.70 : 483,509.46 = 100,723.70 : x
  2. Step 2: Convert to fraction form
    322,339.70/483,509.46 = 100,723.70/x
  3. Step 3: Cross multiply
    322,339.70x = 483,509.46 × 100,723.70
  4. Step 4: Simplify right side
    322,339.70x = 48,700,861,796.20
  5. Step 5: Solve for x
    x = 48,700,861,796.20/322,339.70
  6. Step 6: Final answer
    x = 151,085.52

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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.