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Finding the Fourth Proportional to 477,611.36, 715,826.54 and 241,021.70

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Solution

The fourth proportional to 477,611.36, 715,826.54 and 241,021.70 is: 361,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,611.36 : 715,826.54 = 241,021.70 : x
  2. Step 2: Convert to fraction form
    477,611.36/715,826.54 = 241,021.70/x
  3. Step 3: Cross multiply
    477,611.36x = 715,826.54 × 241,021.70
  4. Step 4: Simplify right side
    477,611.36x = 172,529,726,599.34
  5. Step 5: Solve for x
    x = 172,529,726,599.34/477,611.36
  6. Step 6: Final answer
    x = 361,234.56

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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.