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Finding the Fourth Proportional to 447,893.28, 671,934.69 and 148,356.90

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Solution

The fourth proportional to 447,893.28, 671,934.69 and 148,356.90 is: 222,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,893.28 : 671,934.69 = 148,356.90 : x
  2. Step 2: Convert to fraction form
    447,893.28/671,934.69 = 148,356.90/x
  3. Step 3: Cross multiply
    447,893.28x = 671,934.69 × 148,356.90
  4. Step 4: Simplify right side
    447,893.28x = 99,686,147,610.86
  5. Step 5: Solve for x
    x = 99,686,147,610.86/447,893.28
  6. Step 6: Final answer
    x = 222,566.74

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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.