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Finding the Fourth Proportional to 337,429.80, 465,638.94 and 194,194.80

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Solution

The fourth proportional to 337,429.80, 465,638.94 and 194,194.80 is: 267,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,429.80 : 465,638.94 = 194,194.80 : x
  2. Step 2: Convert to fraction form
    337,429.80/465,638.94 = 194,194.80/x
  3. Step 3: Cross multiply
    337,429.80x = 465,638.94 × 194,194.80
  4. Step 4: Simplify right side
    337,429.80x = 90,424,660,825.51
  5. Step 5: Solve for x
    x = 90,424,660,825.51/337,429.80
  6. Step 6: Final answer
    x = 267,980.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.