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Finding the Fourth Proportional to 383,640.06, 575,657.85 and 170,554.98

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Solution

The fourth proportional to 383,640.06, 575,657.85 and 170,554.98 is: 255,920.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,640.06 : 575,657.85 = 170,554.98 : x
  2. Step 2: Convert to fraction form
    383,640.06/575,657.85 = 170,554.98/x
  3. Step 3: Cross multiply
    383,640.06x = 575,657.85 × 170,554.98
  4. Step 4: Simplify right side
    383,640.06x = 98,181,313,093.59
  5. Step 5: Solve for x
    x = 98,181,313,093.59/383,640.06
  6. Step 6: Final answer
    x = 255,920.39

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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.