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Finding the Fourth Proportional to 322,144.54, 483,003.53 and 153,690.87

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Solution

The fourth proportional to 322,144.54, 483,003.53 and 153,690.87 is: 230,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,144.54 : 483,003.53 = 153,690.87 : x
  2. Step 2: Convert to fraction form
    322,144.54/483,003.53 = 153,690.87/x
  3. Step 3: Cross multiply
    322,144.54x = 483,003.53 × 153,690.87
  4. Step 4: Simplify right side
    322,144.54x = 74,233,232,738.77
  5. Step 5: Solve for x
    x = 74,233,232,738.77/322,144.54
  6. Step 6: Final answer
    x = 230,434.55

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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.