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Finding the Fourth Proportional to 446,586.78, 669,100.14 and 372,185.04

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Solution

The fourth proportional to 446,586.78, 669,100.14 and 372,185.04 is: 557,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,586.78 : 669,100.14 = 372,185.04 : x
  2. Step 2: Convert to fraction form
    446,586.78/669,100.14 = 372,185.04/x
  3. Step 3: Cross multiply
    446,586.78x = 669,100.14 × 372,185.04
  4. Step 4: Simplify right side
    446,586.78x = 249,029,062,369.91
  5. Step 5: Solve for x
    x = 249,029,062,369.91/446,586.78
  6. Step 6: Final answer
    x = 557,627.48

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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.