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Finding the Fourth Proportional to 449,005.52, 673,150.67 and 259,250.65

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Solution

The fourth proportional to 449,005.52, 673,150.67 and 259,250.65 is: 388,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,005.52 : 673,150.67 = 259,250.65 : x
  2. Step 2: Convert to fraction form
    449,005.52/673,150.67 = 259,250.65/x
  3. Step 3: Cross multiply
    449,005.52x = 673,150.67 × 259,250.65
  4. Step 4: Simplify right side
    449,005.52x = 174,514,748,745.44
  5. Step 5: Solve for x
    x = 174,514,748,745.44/449,005.52
  6. Step 6: Final answer
    x = 388,669.50

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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.