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Finding the Fourth Proportional to 355,745.07, 532,762.56 and 203,480.54

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Solution

The fourth proportional to 355,745.07, 532,762.56 and 203,480.54 is: 304,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,745.07 : 532,762.56 = 203,480.54 : x
  2. Step 2: Convert to fraction form
    355,745.07/532,762.56 = 203,480.54/x
  3. Step 3: Cross multiply
    355,745.07x = 532,762.56 × 203,480.54
  4. Step 4: Simplify right side
    355,745.07x = 108,406,811,245.47
  5. Step 5: Solve for x
    x = 108,406,811,245.47/355,745.07
  6. Step 6: Final answer
    x = 304,731.74

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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.