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Finding the Fourth Proportional to 358,601.44, 493,958.64 and 273,570.88

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Solution

The fourth proportional to 358,601.44, 493,958.64 and 273,570.88 is: 376,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,601.44 : 493,958.64 = 273,570.88 : x
  2. Step 2: Convert to fraction form
    358,601.44/493,958.64 = 273,570.88/x
  3. Step 3: Cross multiply
    358,601.44x = 493,958.64 × 273,570.88
  4. Step 4: Simplify right side
    358,601.44x = 135,132,699,828.40
  5. Step 5: Solve for x
    x = 135,132,699,828.40/358,601.44
  6. Step 6: Final answer
    x = 376,832.56

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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.