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Finding the Fourth Proportional to 367,908.30, 551,862.45 and 190,469.70

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Solution

The fourth proportional to 367,908.30, 551,862.45 and 190,469.70 is: 285,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,908.30 : 551,862.45 = 190,469.70 : x
  2. Step 2: Convert to fraction form
    367,908.30/551,862.45 = 190,469.70/x
  3. Step 3: Cross multiply
    367,908.30x = 551,862.45 × 190,469.70
  4. Step 4: Simplify right side
    367,908.30x = 105,113,075,292.77
  5. Step 5: Solve for x
    x = 105,113,075,292.77/367,908.30
  6. Step 6: Final answer
    x = 285,704.55

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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.