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Finding the Fourth Proportional to 378,467.80, 567,701.70 and 363,952.60

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Solution

The fourth proportional to 378,467.80, 567,701.70 and 363,952.60 is: 545,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,467.80 : 567,701.70 = 363,952.60 : x
  2. Step 2: Convert to fraction form
    378,467.80/567,701.70 = 363,952.60/x
  3. Step 3: Cross multiply
    378,467.80x = 567,701.70 × 363,952.60
  4. Step 4: Simplify right side
    378,467.80x = 206,616,509,739.42
  5. Step 5: Solve for x
    x = 206,616,509,739.42/378,467.80
  6. Step 6: Final answer
    x = 545,928.90

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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.