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Finding the Fourth Proportional to 490,377.28, 734,195.47 and 264,929.98

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Solution

The fourth proportional to 490,377.28, 734,195.47 and 264,929.98 is: 396,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,377.28 : 734,195.47 = 264,929.98 : x
  2. Step 2: Convert to fraction form
    490,377.28/734,195.47 = 264,929.98/x
  3. Step 3: Cross multiply
    490,377.28x = 734,195.47 × 264,929.98
  4. Step 4: Simplify right side
    490,377.28x = 194,510,386,849.89
  5. Step 5: Solve for x
    x = 194,510,386,849.89/490,377.28
  6. Step 6: Final answer
    x = 396,654.57

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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.