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Finding the Fourth Proportional to 453,092.07, 679,602.54 and 263,431.56

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Solution

The fourth proportional to 453,092.07, 679,602.54 and 263,431.56 is: 395,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,092.07 : 679,602.54 = 263,431.56 : x
  2. Step 2: Convert to fraction form
    453,092.07/679,602.54 = 263,431.56/x
  3. Step 3: Cross multiply
    453,092.07x = 679,602.54 × 263,431.56
  4. Step 4: Simplify right side
    453,092.07x = 179,028,757,292.16
  5. Step 5: Solve for x
    x = 179,028,757,292.16/453,092.07
  6. Step 6: Final answer
    x = 395,126.66

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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.