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Finding the Fourth Proportional to 413,262.88, 619,894.34 and 163,944.88

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Solution

The fourth proportional to 413,262.88, 619,894.34 and 163,944.88 is: 245,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,262.88 : 619,894.34 = 163,944.88 : x
  2. Step 2: Convert to fraction form
    413,262.88/619,894.34 = 163,944.88/x
  3. Step 3: Cross multiply
    413,262.88x = 619,894.34 × 163,944.88
  4. Step 4: Simplify right side
    413,262.88x = 101,628,503,183.98
  5. Step 5: Solve for x
    x = 101,628,503,183.98/413,262.88
  6. Step 6: Final answer
    x = 245,917.33

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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.