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Finding the Fourth Proportional to 449,620.73, 674,431.09 and 249,845.57

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Solution

The fourth proportional to 449,620.73, 674,431.09 and 249,845.57 is: 374,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,620.73 : 674,431.09 = 249,845.57 : x
  2. Step 2: Convert to fraction form
    449,620.73/674,431.09 = 249,845.57/x
  3. Step 3: Cross multiply
    449,620.73x = 674,431.09 × 249,845.57
  4. Step 4: Simplify right side
    449,620.73x = 168,503,620,106.77
  5. Step 5: Solve for x
    x = 168,503,620,106.77/449,620.73
  6. Step 6: Final answer
    x = 374,768.35

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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.