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Finding the Fourth Proportional to 453,195.45, 679,793.18 and 276,048.45

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Solution

The fourth proportional to 453,195.45, 679,793.18 and 276,048.45 is: 414,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,195.45 : 679,793.18 = 276,048.45 : x
  2. Step 2: Convert to fraction form
    453,195.45/679,793.18 = 276,048.45/x
  3. Step 3: Cross multiply
    453,195.45x = 679,793.18 × 276,048.45
  4. Step 4: Simplify right side
    453,195.45x = 187,655,852,279.33
  5. Step 5: Solve for x
    x = 187,655,852,279.33/453,195.45
  6. Step 6: Final answer
    x = 414,072.68

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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.