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Finding the Fourth Proportional to 335,846.27, 462,978.24 and 255,133.67

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Solution

The fourth proportional to 335,846.27, 462,978.24 and 255,133.67 is: 351,712.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,846.27 : 462,978.24 = 255,133.67 : x
  2. Step 2: Convert to fraction form
    335,846.27/462,978.24 = 255,133.67/x
  3. Step 3: Cross multiply
    335,846.27x = 462,978.24 × 255,133.67
  4. Step 4: Simplify right side
    335,846.27x = 118,121,335,186.45
  5. Step 5: Solve for x
    x = 118,121,335,186.45/335,846.27
  6. Step 6: Final answer
    x = 351,712.52

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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.