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Finding the Fourth Proportional to 277,294.51, 382,666.44 and 149,970.07

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Solution

The fourth proportional to 277,294.51, 382,666.44 and 149,970.07 is: 206,958.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,294.51 : 382,666.44 = 149,970.07 : x
  2. Step 2: Convert to fraction form
    277,294.51/382,666.44 = 149,970.07/x
  3. Step 3: Cross multiply
    277,294.51x = 382,666.44 × 149,970.07
  4. Step 4: Simplify right side
    277,294.51x = 57,388,512,793.45
  5. Step 5: Solve for x
    x = 57,388,512,793.45/277,294.51
  6. Step 6: Final answer
    x = 206,958.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.