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Finding the Fourth Proportional to 436,149.97, 654,972.28 and 236,859.59

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Solution

The fourth proportional to 436,149.97, 654,972.28 and 236,859.59 is: 355,695.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,149.97 : 654,972.28 = 236,859.59 : x
  2. Step 2: Convert to fraction form
    436,149.97/654,972.28 = 236,859.59/x
  3. Step 3: Cross multiply
    436,149.97x = 654,972.28 × 236,859.59
  4. Step 4: Simplify right side
    436,149.97x = 155,136,466,747.45
  5. Step 5: Solve for x
    x = 155,136,466,747.45/436,149.97
  6. Step 6: Final answer
    x = 355,695.24

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1.5x scale

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.