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Finding the Fourth Proportional to 335,240.86, 499,703.21 and 308,336.67

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Solution

The fourth proportional to 335,240.86, 499,703.21 and 308,336.67 is: 459,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,240.86 : 499,703.21 = 308,336.67 : x
  2. Step 2: Convert to fraction form
    335,240.86/499,703.21 = 308,336.67/x
  3. Step 3: Cross multiply
    335,240.86x = 499,703.21 × 308,336.67
  4. Step 4: Simplify right side
    335,240.86x = 154,076,823,759.71
  5. Step 5: Solve for x
    x = 154,076,823,759.71/335,240.86
  6. Step 6: Final answer
    x = 459,600.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.