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Finding the Fourth Proportional to 436,637.80, 654,572.70 and 295,940.20

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Solution

The fourth proportional to 436,637.80, 654,572.70 and 295,940.20 is: 443,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,637.80 : 654,572.70 = 295,940.20 : x
  2. Step 2: Convert to fraction form
    436,637.80/654,572.70 = 295,940.20/x
  3. Step 3: Cross multiply
    436,637.80x = 654,572.70 × 295,940.20
  4. Step 4: Simplify right side
    436,637.80x = 193,714,375,752.54
  5. Step 5: Solve for x
    x = 193,714,375,752.54/436,637.80
  6. Step 6: Final answer
    x = 443,650.04

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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.