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Finding the Fourth Proportional to 664,337.20, 996,214.20 and 264,845.20

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Solution

The fourth proportional to 664,337.20, 996,214.20 and 264,845.20 is: 397,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,337.20 : 996,214.20 = 264,845.20 : x
  2. Step 2: Convert to fraction form
    664,337.20/996,214.20 = 264,845.20/x
  3. Step 3: Cross multiply
    664,337.20x = 996,214.20 × 264,845.20
  4. Step 4: Simplify right side
    664,337.20x = 263,842,549,041.84
  5. Step 5: Solve for x
    x = 263,842,549,041.84/664,337.20
  6. Step 6: Final answer
    x = 397,151.55

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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.