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Finding the Fourth Proportional to 274,233.60, 411,350.40 and 233,992.80

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Solution

The fourth proportional to 274,233.60, 411,350.40 and 233,992.80 is: 350,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,233.60 : 411,350.40 = 233,992.80 : x
  2. Step 2: Convert to fraction form
    274,233.60/411,350.40 = 233,992.80/x
  3. Step 3: Cross multiply
    274,233.60x = 411,350.40 × 233,992.80
  4. Step 4: Simplify right side
    274,233.60x = 96,253,031,877.12
  5. Step 5: Solve for x
    x = 96,253,031,877.12/274,233.60
  6. Step 6: Final answer
    x = 350,989.20

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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.