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Finding the Fourth Proportional to 375,998.40, 519,134.40 and 262,857.60

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Solution

The fourth proportional to 375,998.40, 519,134.40 and 262,857.60 is: 362,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,998.40 : 519,134.40 = 262,857.60 : x
  2. Step 2: Convert to fraction form
    375,998.40/519,134.40 = 262,857.60/x
  3. Step 3: Cross multiply
    375,998.40x = 519,134.40 × 262,857.60
  4. Step 4: Simplify right side
    375,998.40x = 136,458,422,461.44
  5. Step 5: Solve for x
    x = 136,458,422,461.44/375,998.40
  6. Step 6: Final answer
    x = 362,922.88

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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.