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Finding the Fourth Proportional to 264,661.56, 364,900.14 and 221,072.22

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Solution

The fourth proportional to 264,661.56, 364,900.14 and 221,072.22 is: 304,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,661.56 : 364,900.14 = 221,072.22 : x
  2. Step 2: Convert to fraction form
    264,661.56/364,900.14 = 221,072.22/x
  3. Step 3: Cross multiply
    264,661.56x = 364,900.14 × 221,072.22
  4. Step 4: Simplify right side
    264,661.56x = 80,669,284,028.11
  5. Step 5: Solve for x
    x = 80,669,284,028.11/264,661.56
  6. Step 6: Final answer
    x = 304,801.66

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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.