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Finding the Fourth Proportional to 274,239.60, 411,359.40 and 233,998.80

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Solution

The fourth proportional to 274,239.60, 411,359.40 and 233,998.80 is: 350,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,239.60 : 411,359.40 = 233,998.80 : x
  2. Step 2: Convert to fraction form
    274,239.60/411,359.40 = 233,998.80/x
  3. Step 3: Cross multiply
    274,239.60x = 411,359.40 × 233,998.80
  4. Step 4: Simplify right side
    274,239.60x = 96,257,605,968.72
  5. Step 5: Solve for x
    x = 96,257,605,968.72/274,239.60
  6. Step 6: Final answer
    x = 350,998.20

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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.