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Finding the Fourth Proportional to 404,580.49, 606,388.12 and 188,147.05

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Solution

The fourth proportional to 404,580.49, 606,388.12 and 188,147.05 is: 281,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,580.49 : 606,388.12 = 188,147.05 : x
  2. Step 2: Convert to fraction form
    404,580.49/606,388.12 = 188,147.05/x
  3. Step 3: Cross multiply
    404,580.49x = 606,388.12 × 188,147.05
  4. Step 4: Simplify right side
    404,580.49x = 114,090,133,946.71
  5. Step 5: Solve for x
    x = 114,090,133,946.71/404,580.49
  6. Step 6: Final answer
    x = 281,996.14

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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.