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Finding the Fourth Proportional to 440,321.98, 660,274.77 and 170,576.46

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Solution

The fourth proportional to 440,321.98, 660,274.77 and 170,576.46 is: 255,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,321.98 : 660,274.77 = 170,576.46 : x
  2. Step 2: Convert to fraction form
    440,321.98/660,274.77 = 170,576.46/x
  3. Step 3: Cross multiply
    440,321.98x = 660,274.77 × 170,576.46
  4. Step 4: Simplify right side
    440,321.98x = 112,627,332,893.91
  5. Step 5: Solve for x
    x = 112,627,332,893.91/440,321.98
  6. Step 6: Final answer
    x = 255,784.04

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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.