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Finding the Fourth Proportional to 383,906.30, 575,859.45 and 170,673.80

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Solution

The fourth proportional to 383,906.30, 575,859.45 and 170,673.80 is: 256,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,906.30 : 575,859.45 = 170,673.80 : x
  2. Step 2: Convert to fraction form
    383,906.30/575,859.45 = 170,673.80/x
  3. Step 3: Cross multiply
    383,906.30x = 575,859.45 × 170,673.80
  4. Step 4: Simplify right side
    383,906.30x = 98,284,120,597.41
  5. Step 5: Solve for x
    x = 98,284,120,597.41/383,906.30
  6. Step 6: Final answer
    x = 256,010.70

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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.