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Finding the Fourth Proportional to 339,566.40, 508,977.60 and 170,817.60

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Solution

The fourth proportional to 339,566.40, 508,977.60 and 170,817.60 is: 256,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,566.40 : 508,977.60 = 170,817.60 : x
  2. Step 2: Convert to fraction form
    339,566.40/508,977.60 = 170,817.60/x
  3. Step 3: Cross multiply
    339,566.40x = 508,977.60 × 170,817.60
  4. Step 4: Simplify right side
    339,566.40x = 86,942,332,085.76
  5. Step 5: Solve for x
    x = 86,942,332,085.76/339,566.40
  6. Step 6: Final answer
    x = 256,039.27

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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.