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Finding the Fourth Proportional to 549,165.92, 757,912.58 and 334,431.68

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Solution

The fourth proportional to 549,165.92, 757,912.58 and 334,431.68 is: 461,554.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,165.92 : 757,912.58 = 334,431.68 : x
  2. Step 2: Convert to fraction form
    549,165.92/757,912.58 = 334,431.68/x
  3. Step 3: Cross multiply
    549,165.92x = 757,912.58 × 334,431.68
  4. Step 4: Simplify right side
    549,165.92x = 253,469,977,422.53
  5. Step 5: Solve for x
    x = 253,469,977,422.53/549,165.92
  6. Step 6: Final answer
    x = 461,554.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.