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Finding the Fourth Proportional to 284,601.40, 426,383.70 and 231,724.60

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Solution

The fourth proportional to 284,601.40, 426,383.70 and 231,724.60 is: 347,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,601.40 : 426,383.70 = 231,724.60 : x
  2. Step 2: Convert to fraction form
    284,601.40/426,383.70 = 231,724.60/x
  3. Step 3: Cross multiply
    284,601.40x = 426,383.70 × 231,724.60
  4. Step 4: Simplify right side
    284,601.40x = 98,803,592,329.02
  5. Step 5: Solve for x
    x = 98,803,592,329.02/284,601.40
  6. Step 6: Final answer
    x = 347,164.81

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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.