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Finding the Fourth Proportional to 256,247.60, 384,371.40 and 244,583.60

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Solution

The fourth proportional to 256,247.60, 384,371.40 and 244,583.60 is: 366,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,247.60 : 384,371.40 = 244,583.60 : x
  2. Step 2: Convert to fraction form
    256,247.60/384,371.40 = 244,583.60/x
  3. Step 3: Cross multiply
    256,247.60x = 384,371.40 × 244,583.60
  4. Step 4: Simplify right side
    256,247.60x = 94,010,940,749.04
  5. Step 5: Solve for x
    x = 94,010,940,749.04/256,247.60
  6. Step 6: Final answer
    x = 366,875.40

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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.