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Finding the Fourth Proportional to 368,483.70, 551,839.79 and 210,232.38

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Solution

The fourth proportional to 368,483.70, 551,839.79 and 210,232.38 is: 314,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,483.70 : 551,839.79 = 210,232.38 : x
  2. Step 2: Convert to fraction form
    368,483.70/551,839.79 = 210,232.38/x
  3. Step 3: Cross multiply
    368,483.70x = 551,839.79 × 210,232.38
  4. Step 4: Simplify right side
    368,483.70x = 116,014,592,430.40
  5. Step 5: Solve for x
    x = 116,014,592,430.40/368,483.70
  6. Step 6: Final answer
    x = 314,843.21

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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.