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Finding the Fourth Proportional to 496,602.06, 685,326.39 and 281,751.18

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Solution

The fourth proportional to 496,602.06, 685,326.39 and 281,751.18 is: 388,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,602.06 : 685,326.39 = 281,751.18 : x
  2. Step 2: Convert to fraction form
    496,602.06/685,326.39 = 281,751.18/x
  3. Step 3: Cross multiply
    496,602.06x = 685,326.39 × 281,751.18
  4. Step 4: Simplify right side
    496,602.06x = 193,091,519,067.64
  5. Step 5: Solve for x
    x = 193,091,519,067.64/496,602.06
  6. Step 6: Final answer
    x = 388,825.45

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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.