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Finding the Fourth Proportional to 447,067.60, 670,455.60 and 166,548.40

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Solution

The fourth proportional to 447,067.60, 670,455.60 and 166,548.40 is: 249,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,067.60 : 670,455.60 = 166,548.40 : x
  2. Step 2: Convert to fraction form
    447,067.60/670,455.60 = 166,548.40/x
  3. Step 3: Cross multiply
    447,067.60x = 670,455.60 × 166,548.40
  4. Step 4: Simplify right side
    447,067.60x = 111,663,307,451.04
  5. Step 5: Solve for x
    x = 111,663,307,451.04/447,067.60
  6. Step 6: Final answer
    x = 249,768.28

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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.