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Finding the Fourth Proportional to 436,012.52, 601,704.29 and 239,786.76

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Solution

The fourth proportional to 436,012.52, 601,704.29 and 239,786.76 is: 330,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,012.52 : 601,704.29 = 239,786.76 : x
  2. Step 2: Convert to fraction form
    436,012.52/601,704.29 = 239,786.76/x
  3. Step 3: Cross multiply
    436,012.52x = 601,704.29 × 239,786.76
  4. Step 4: Simplify right side
    436,012.52x = 144,280,720,978.27
  5. Step 5: Solve for x
    x = 144,280,720,978.27/436,012.52
  6. Step 6: Final answer
    x = 330,909.58

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1.5x scale

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.