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Finding the Fourth Proportional to 362,431.44, 542,852.28 and 256,930.56

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Solution

The fourth proportional to 362,431.44, 542,852.28 and 256,930.56 is: 384,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,431.44 : 542,852.28 = 256,930.56 : x
  2. Step 2: Convert to fraction form
    362,431.44/542,852.28 = 256,930.56/x
  3. Step 3: Cross multiply
    362,431.44x = 542,852.28 × 256,930.56
  4. Step 4: Simplify right side
    362,431.44x = 139,475,340,297.68
  5. Step 5: Solve for x
    x = 139,475,340,297.68/362,431.44
  6. Step 6: Final answer
    x = 384,832.34

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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.