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Finding the Fourth Proportional to 443,146.86, 611,539.44 and 241,942.86

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Solution

The fourth proportional to 443,146.86, 611,539.44 and 241,942.86 is: 333,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,146.86 : 611,539.44 = 241,942.86 : x
  2. Step 2: Convert to fraction form
    443,146.86/611,539.44 = 241,942.86/x
  3. Step 3: Cross multiply
    443,146.86x = 611,539.44 × 241,942.86
  4. Step 4: Simplify right side
    443,146.86x = 147,957,601,116.40
  5. Step 5: Solve for x
    x = 147,957,601,116.40/443,146.86
  6. Step 6: Final answer
    x = 333,879.39

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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.