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Finding the Fourth Proportional to 494,284.87, 740,377.54 and 334,458.91

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Solution

The fourth proportional to 494,284.87, 740,377.54 and 334,458.91 is: 500,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,284.87 : 740,377.54 = 334,458.91 : x
  2. Step 2: Convert to fraction form
    494,284.87/740,377.54 = 334,458.91/x
  3. Step 3: Cross multiply
    494,284.87x = 740,377.54 × 334,458.91
  4. Step 4: Simplify right side
    494,284.87x = 247,625,865,016.88
  5. Step 5: Solve for x
    x = 247,625,865,016.88/494,284.87
  6. Step 6: Final answer
    x = 500,978.04

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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.