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Finding the Fourth Proportional to 494,503.57, 682,415.31 and 268,149.07

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Solution

The fourth proportional to 494,503.57, 682,415.31 and 268,149.07 is: 370,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,503.57 : 682,415.31 = 268,149.07 : x
  2. Step 2: Convert to fraction form
    494,503.57/682,415.31 = 268,149.07/x
  3. Step 3: Cross multiply
    494,503.57x = 682,415.31 × 268,149.07
  4. Step 4: Simplify right side
    494,503.57x = 182,989,030,730.26
  5. Step 5: Solve for x
    x = 182,989,030,730.26/494,503.57
  6. Step 6: Final answer
    x = 370,045.92

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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.