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Finding the Fourth Proportional to 413,383.08, 620,028.54 and 113,886.12

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Solution

The fourth proportional to 413,383.08, 620,028.54 and 113,886.12 is: 170,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,383.08 : 620,028.54 = 113,886.12 : x
  2. Step 2: Convert to fraction form
    413,383.08/620,028.54 = 113,886.12/x
  3. Step 3: Cross multiply
    413,383.08x = 620,028.54 × 113,886.12
  4. Step 4: Simplify right side
    413,383.08x = 70,612,644,709.86
  5. Step 5: Solve for x
    x = 70,612,644,709.86/413,383.08
  6. Step 6: Final answer
    x = 170,816.49

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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.