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Finding the Fourth Proportional to 273,338.37, 409,992.98 and 73,655.55

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Solution

The fourth proportional to 273,338.37, 409,992.98 and 73,655.55 is: 110,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,338.37 : 409,992.98 = 73,655.55 : x
  2. Step 2: Convert to fraction form
    273,338.37/409,992.98 = 73,655.55/x
  3. Step 3: Cross multiply
    273,338.37x = 409,992.98 × 73,655.55
  4. Step 4: Simplify right side
    273,338.37x = 30,198,258,069.76
  5. Step 5: Solve for x
    x = 30,198,258,069.76/273,338.37
  6. Step 6: Final answer
    x = 110,479.40

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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.