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Finding the Fourth Proportional to 265,759.77, 366,450.53 and 217,211.04

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Solution

The fourth proportional to 265,759.77, 366,450.53 and 217,211.04 is: 299,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,759.77 : 366,450.53 = 217,211.04 : x
  2. Step 2: Convert to fraction form
    265,759.77/366,450.53 = 217,211.04/x
  3. Step 3: Cross multiply
    265,759.77x = 366,450.53 × 217,211.04
  4. Step 4: Simplify right side
    265,759.77x = 79,597,101,272.88
  5. Step 5: Solve for x
    x = 79,597,101,272.88/265,759.77
  6. Step 6: Final answer
    x = 299,507.71

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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.