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Finding the Fourth Proportional to 493,014.40, 739,521.60 and 449,468.80

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Solution

The fourth proportional to 493,014.40, 739,521.60 and 449,468.80 is: 674,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,014.40 : 739,521.60 = 449,468.80 : x
  2. Step 2: Convert to fraction form
    493,014.40/739,521.60 = 449,468.80/x
  3. Step 3: Cross multiply
    493,014.40x = 739,521.60 × 449,468.80
  4. Step 4: Simplify right side
    493,014.40x = 332,391,886,126.08
  5. Step 5: Solve for x
    x = 332,391,886,126.08/493,014.40
  6. Step 6: Final answer
    x = 674,203.20

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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.