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Finding the Fourth Proportional to 339,345.72, 508,844.45 and 179,507.93

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Solution

The fourth proportional to 339,345.72, 508,844.45 and 179,507.93 is: 269,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,345.72 : 508,844.45 = 179,507.93 : x
  2. Step 2: Convert to fraction form
    339,345.72/508,844.45 = 179,507.93/x
  3. Step 3: Cross multiply
    339,345.72x = 508,844.45 × 179,507.93
  4. Step 4: Simplify right side
    339,345.72x = 91,341,610,469.73
  5. Step 5: Solve for x
    x = 91,341,610,469.73/339,345.72
  6. Step 6: Final answer
    x = 269,169.77

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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.