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Finding the Fourth Proportional to 424,777.37, 636,866.55 and 171,983.25

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Solution

The fourth proportional to 424,777.37, 636,866.55 and 171,983.25 is: 257,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,777.37 : 636,866.55 = 171,983.25 : x
  2. Step 2: Convert to fraction form
    424,777.37/636,866.55 = 171,983.25/x
  3. Step 3: Cross multiply
    424,777.37x = 636,866.55 × 171,983.25
  4. Step 4: Simplify right side
    424,777.37x = 109,530,379,085.29
  5. Step 5: Solve for x
    x = 109,530,379,085.29/424,777.37
  6. Step 6: Final answer
    x = 257,853.61

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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.