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Finding the Fourth Proportional to 256,228.60, 384,342.90 and 244,564.60

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Solution

The fourth proportional to 256,228.60, 384,342.90 and 244,564.60 is: 366,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,228.60 : 384,342.90 = 244,564.60 : x
  2. Step 2: Convert to fraction form
    256,228.60/384,342.90 = 244,564.60/x
  3. Step 3: Cross multiply
    256,228.60x = 384,342.90 × 244,564.60
  4. Step 4: Simplify right side
    256,228.60x = 93,996,667,601.34
  5. Step 5: Solve for x
    x = 93,996,667,601.34/256,228.60
  6. Step 6: Final answer
    x = 366,846.90

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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.