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Finding the Fourth Proportional to 383,896.80, 575,845.20 and 170,664.30

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Solution

The fourth proportional to 383,896.80, 575,845.20 and 170,664.30 is: 255,996.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,896.80 : 575,845.20 = 170,664.30 : x
  2. Step 2: Convert to fraction form
    383,896.80/575,845.20 = 170,664.30/x
  3. Step 3: Cross multiply
    383,896.80x = 575,845.20 × 170,664.30
  4. Step 4: Simplify right side
    383,896.80x = 98,276,217,966.36
  5. Step 5: Solve for x
    x = 98,276,217,966.36/383,896.80
  6. Step 6: Final answer
    x = 255,996.45

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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.