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Finding the Fourth Proportional to 496,847.56, 744,338.22 and 385,495.24

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Solution

The fourth proportional to 496,847.56, 744,338.22 and 385,495.24 is: 577,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,847.56 : 744,338.22 = 385,495.24 : x
  2. Step 2: Convert to fraction form
    496,847.56/744,338.22 = 385,495.24/x
  3. Step 3: Cross multiply
    496,847.56x = 744,338.22 × 385,495.24
  4. Step 4: Simplify right side
    496,847.56x = 286,938,840,760.07
  5. Step 5: Solve for x
    x = 286,938,840,760.07/496,847.56
  6. Step 6: Final answer
    x = 577,518.87

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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.