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Finding the Fourth Proportional to 541,290.36, 812,010.87 and 225,674.67

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Solution

The fourth proportional to 541,290.36, 812,010.87 and 225,674.67 is: 338,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,290.36 : 812,010.87 = 225,674.67 : x
  2. Step 2: Convert to fraction form
    541,290.36/812,010.87 = 225,674.67/x
  3. Step 3: Cross multiply
    541,290.36x = 812,010.87 × 225,674.67
  4. Step 4: Simplify right side
    541,290.36x = 183,250,285,123.66
  5. Step 5: Solve for x
    x = 183,250,285,123.66/541,290.36
  6. Step 6: Final answer
    x = 338,543.41

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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.