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Finding the Fourth Proportional to 475,610.61, 656,325.23 and 260,745.96

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Solution

The fourth proportional to 475,610.61, 656,325.23 and 260,745.96 is: 359,819.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,610.61 : 656,325.23 = 260,745.96 : x
  2. Step 2: Convert to fraction form
    475,610.61/656,325.23 = 260,745.96/x
  3. Step 3: Cross multiply
    475,610.61x = 656,325.23 × 260,745.96
  4. Step 4: Simplify right side
    475,610.61x = 171,134,150,864.84
  5. Step 5: Solve for x
    x = 171,134,150,864.84/475,610.61
  6. Step 6: Final answer
    x = 359,819.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.