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Finding the Fourth Proportional to 335,264.54, 499,738.43 and 308,360.39

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Solution

The fourth proportional to 335,264.54, 499,738.43 and 308,360.39 is: 459,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,264.54 : 499,738.43 = 308,360.39 : x
  2. Step 2: Convert to fraction form
    335,264.54/499,738.43 = 308,360.39/x
  3. Step 3: Cross multiply
    335,264.54x = 499,738.43 × 308,360.39
  4. Step 4: Simplify right side
    335,264.54x = 154,099,535,445.00
  5. Step 5: Solve for x
    x = 154,099,535,445.00/335,264.54
  6. Step 6: Final answer
    x = 459,635.66

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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.