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Finding the Fourth Proportional to 493,969.20, 739,204.20 and 336,505.20

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Solution

The fourth proportional to 493,969.20, 739,204.20 and 336,505.20 is: 503,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,969.20 : 739,204.20 = 336,505.20 : x
  2. Step 2: Convert to fraction form
    493,969.20/739,204.20 = 336,505.20/x
  3. Step 3: Cross multiply
    493,969.20x = 739,204.20 × 336,505.20
  4. Step 4: Simplify right side
    493,969.20x = 248,746,057,161.84
  5. Step 5: Solve for x
    x = 248,746,057,161.84/493,969.20
  6. Step 6: Final answer
    x = 503,565.93

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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.