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Finding the Fourth Proportional to 506,786.54, 699,365.34 and 277,343.97

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Solution

The fourth proportional to 506,786.54, 699,365.34 and 277,343.97 is: 382,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,786.54 : 699,365.34 = 277,343.97 : x
  2. Step 2: Convert to fraction form
    506,786.54/699,365.34 = 277,343.97/x
  3. Step 3: Cross multiply
    506,786.54x = 699,365.34 × 277,343.97
  4. Step 4: Simplify right side
    506,786.54x = 193,964,759,876.00
  5. Step 5: Solve for x
    x = 193,964,759,876.00/506,786.54
  6. Step 6: Final answer
    x = 382,734.63

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1.5x scale

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.