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Finding the Fourth Proportional to 447,665.78, 671,076.54 and 222,813.63

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Solution

The fourth proportional to 447,665.78, 671,076.54 and 222,813.63 is: 334,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,665.78 : 671,076.54 = 222,813.63 : x
  2. Step 2: Convert to fraction form
    447,665.78/671,076.54 = 222,813.63/x
  3. Step 3: Cross multiply
    447,665.78x = 671,076.54 × 222,813.63
  4. Step 4: Simplify right side
    447,665.78x = 149,524,999,885.24
  5. Step 5: Solve for x
    x = 149,524,999,885.24/447,665.78
  6. Step 6: Final answer
    x = 334,010.34

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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.