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Finding the Fourth Proportional to 368,274.44, 551,690.22 and 190,898.48

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Solution

The fourth proportional to 368,274.44, 551,690.22 and 190,898.48 is: 285,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,274.44 : 551,690.22 = 190,898.48 : x
  2. Step 2: Convert to fraction form
    368,274.44/551,690.22 = 190,898.48/x
  3. Step 3: Cross multiply
    368,274.44x = 551,690.22 × 190,898.48
  4. Step 4: Simplify right side
    368,274.44x = 105,316,824,428.87
  5. Step 5: Solve for x
    x = 105,316,824,428.87/368,274.44
  6. Step 6: Final answer
    x = 285,973.75

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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.