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Finding the Fourth Proportional to 496,231.55, 744,114.03 and 346,640.75

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Solution

The fourth proportional to 496,231.55, 744,114.03 and 346,640.75 is: 519,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,231.55 : 744,114.03 = 346,640.75 : x
  2. Step 2: Convert to fraction form
    496,231.55/744,114.03 = 346,640.75/x
  3. Step 3: Cross multiply
    496,231.55x = 744,114.03 × 346,640.75
  4. Step 4: Simplify right side
    496,231.55x = 257,940,243,214.68
  5. Step 5: Solve for x
    x = 257,940,243,214.68/496,231.55
  6. Step 6: Final answer
    x = 519,798.15

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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.