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Finding the Fourth Proportional to 349,725.20, 523,810.20 and 270,582.80

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Solution

The fourth proportional to 349,725.20, 523,810.20 and 270,582.80 is: 405,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,725.20 : 523,810.20 = 270,582.80 : x
  2. Step 2: Convert to fraction form
    349,725.20/523,810.20 = 270,582.80/x
  3. Step 3: Cross multiply
    349,725.20x = 523,810.20 × 270,582.80
  4. Step 4: Simplify right side
    349,725.20x = 141,734,030,584.56
  5. Step 5: Solve for x
    x = 141,734,030,584.56/349,725.20
  6. Step 6: Final answer
    x = 405,272.57

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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.