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Finding the Fourth Proportional to 496,846.56, 744,336.72 and 385,494.24

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Solution

The fourth proportional to 496,846.56, 744,336.72 and 385,494.24 is: 577,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,846.56 : 744,336.72 = 385,494.24 : x
  2. Step 2: Convert to fraction form
    496,846.56/744,336.72 = 385,494.24/x
  3. Step 3: Cross multiply
    496,846.56x = 744,336.72 × 385,494.24
  4. Step 4: Simplify right side
    496,846.56x = 286,937,518,180.49
  5. Step 5: Solve for x
    x = 286,937,518,180.49/496,846.56
  6. Step 6: Final answer
    x = 577,517.37

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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.