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Finding the Fourth Proportional to 465,067.80, 697,698.90 and 149,556.60

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Solution

The fourth proportional to 465,067.80, 697,698.90 and 149,556.60 is: 224,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,067.80 : 697,698.90 = 149,556.60 : x
  2. Step 2: Convert to fraction form
    465,067.80/697,698.90 = 149,556.60/x
  3. Step 3: Cross multiply
    465,067.80x = 697,698.90 × 149,556.60
  4. Step 4: Simplify right side
    465,067.80x = 104,345,475,307.74
  5. Step 5: Solve for x
    x = 104,345,475,307.74/465,067.80
  6. Step 6: Final answer
    x = 224,366.16

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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.