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Finding the Fourth Proportional to 365,504.73, 547,405.50 and 355,415.37

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Solution

The fourth proportional to 365,504.73, 547,405.50 and 355,415.37 is: 532,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,504.73 : 547,405.50 = 355,415.37 : x
  2. Step 2: Convert to fraction form
    365,504.73/547,405.50 = 355,415.37/x
  3. Step 3: Cross multiply
    365,504.73x = 547,405.50 × 355,415.37
  4. Step 4: Simplify right side
    365,504.73x = 194,556,328,322.54
  5. Step 5: Solve for x
    x = 194,556,328,322.54/365,504.73
  6. Step 6: Final answer
    x = 532,294.97

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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.