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Finding the Fourth Proportional to 368,251.38, 508,015.26 and 239,180.67

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Solution

The fourth proportional to 368,251.38, 508,015.26 and 239,180.67 is: 329,957.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,251.38 : 508,015.26 = 239,180.67 : x
  2. Step 2: Convert to fraction form
    368,251.38/508,015.26 = 239,180.67/x
  3. Step 3: Cross multiply
    368,251.38x = 508,015.26 × 239,180.67
  4. Step 4: Simplify right side
    368,251.38x = 121,507,430,257.02
  5. Step 5: Solve for x
    x = 121,507,430,257.02/368,251.38
  6. Step 6: Final answer
    x = 329,957.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.