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Finding the Fourth Proportional to 476,561.34, 714,980.36 and 192,105.09

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Solution

The fourth proportional to 476,561.34, 714,980.36 and 192,105.09 is: 288,213.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,561.34 : 714,980.36 = 192,105.09 : x
  2. Step 2: Convert to fraction form
    476,561.34/714,980.36 = 192,105.09/x
  3. Step 3: Cross multiply
    476,561.34x = 714,980.36 × 192,105.09
  4. Step 4: Simplify right side
    476,561.34x = 137,351,366,886.30
  5. Step 5: Solve for x
    x = 137,351,366,886.30/476,561.34
  6. Step 6: Final answer
    x = 288,213.41

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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.