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Finding the Fourth Proportional to 367,483.65, 551,274.69 and 130,828.38

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Solution

The fourth proportional to 367,483.65, 551,274.69 and 130,828.38 is: 196,260.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,483.65 : 551,274.69 = 130,828.38 : x
  2. Step 2: Convert to fraction form
    367,483.65/551,274.69 = 130,828.38/x
  3. Step 3: Cross multiply
    367,483.65x = 551,274.69 × 130,828.38
  4. Step 4: Simplify right side
    367,483.65x = 72,122,374,627.70
  5. Step 5: Solve for x
    x = 72,122,374,627.70/367,483.65
  6. Step 6: Final answer
    x = 196,260.09

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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.