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Finding the Fourth Proportional to 483,605.96, 667,362.88 and 268,740.48

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Solution

The fourth proportional to 483,605.96, 667,362.88 and 268,740.48 is: 370,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,605.96 : 667,362.88 = 268,740.48 : x
  2. Step 2: Convert to fraction form
    483,605.96/667,362.88 = 268,740.48/x
  3. Step 3: Cross multiply
    483,605.96x = 667,362.88 × 268,740.48
  4. Step 4: Simplify right side
    483,605.96x = 179,347,420,705.38
  5. Step 5: Solve for x
    x = 179,347,420,705.38/483,605.96
  6. Step 6: Final answer
    x = 370,854.45

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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.