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Finding the Fourth Proportional to 255,914.94, 383,085.09 and 166,976.94

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Solution

The fourth proportional to 255,914.94, 383,085.09 and 166,976.94 is: 249,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,914.94 : 383,085.09 = 166,976.94 : x
  2. Step 2: Convert to fraction form
    255,914.94/383,085.09 = 166,976.94/x
  3. Step 3: Cross multiply
    255,914.94x = 383,085.09 × 166,976.94
  4. Step 4: Simplify right side
    255,914.94x = 63,966,376,087.82
  5. Step 5: Solve for x
    x = 63,966,376,087.82/255,914.94
  6. Step 6: Final answer
    x = 249,951.71

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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.