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Finding the Fourth Proportional to 421,953.96, 632,734.14 and 244,511.88

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Solution

The fourth proportional to 421,953.96, 632,734.14 and 244,511.88 is: 366,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,953.96 : 632,734.14 = 244,511.88 : x
  2. Step 2: Convert to fraction form
    421,953.96/632,734.14 = 244,511.88/x
  3. Step 3: Cross multiply
    421,953.96x = 632,734.14 × 244,511.88
  4. Step 4: Simplify right side
    421,953.96x = 154,711,014,111.58
  5. Step 5: Solve for x
    x = 154,711,014,111.58/421,953.96
  6. Step 6: Final answer
    x = 366,653.78

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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.