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Finding the Fourth Proportional to 353,994.74, 488,510.20 and 192,849.75

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Solution

The fourth proportional to 353,994.74, 488,510.20 and 192,849.75 is: 266,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,994.74 : 488,510.20 = 192,849.75 : x
  2. Step 2: Convert to fraction form
    353,994.74/488,510.20 = 192,849.75/x
  3. Step 3: Cross multiply
    353,994.74x = 488,510.20 × 192,849.75
  4. Step 4: Simplify right side
    353,994.74x = 94,209,069,942.45
  5. Step 5: Solve for x
    x = 94,209,069,942.45/353,994.74
  6. Step 6: Final answer
    x = 266,131.27

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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.