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Finding the Fourth Proportional to 437,654.75, 604,165.19 and 308,698.29

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Solution

The fourth proportional to 437,654.75, 604,165.19 and 308,698.29 is: 426,145.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,654.75 : 604,165.19 = 308,698.29 : x
  2. Step 2: Convert to fraction form
    437,654.75/604,165.19 = 308,698.29/x
  3. Step 3: Cross multiply
    437,654.75x = 604,165.19 × 308,698.29
  4. Step 4: Simplify right side
    437,654.75x = 186,504,759,487.03
  5. Step 5: Solve for x
    x = 186,504,759,487.03/437,654.75
  6. Step 6: Final answer
    x = 426,145.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.