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Finding the Fourth Proportional to 273,467.79, 409,611.20 and 266,775.57

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Solution

The fourth proportional to 273,467.79, 409,611.20 and 266,775.57 is: 399,587.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,467.79 : 409,611.20 = 266,775.57 : x
  2. Step 2: Convert to fraction form
    273,467.79/409,611.20 = 266,775.57/x
  3. Step 3: Cross multiply
    273,467.79x = 409,611.20 × 266,775.57
  4. Step 4: Simplify right side
    273,467.79x = 109,274,260,024.51
  5. Step 5: Solve for x
    x = 109,274,260,024.51/273,467.79
  6. Step 6: Final answer
    x = 399,587.32

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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.