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Finding the Fourth Proportional to 603,508.91, 832,495.86 and 376,760.75

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Solution

The fourth proportional to 603,508.91, 832,495.86 and 376,760.75 is: 519,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,508.91 : 832,495.86 = 376,760.75 : x
  2. Step 2: Convert to fraction form
    603,508.91/832,495.86 = 376,760.75/x
  3. Step 3: Cross multiply
    603,508.91x = 832,495.86 × 376,760.75
  4. Step 4: Simplify right side
    603,508.91x = 313,651,764,585.50
  5. Step 5: Solve for x
    x = 313,651,764,585.50/603,508.91
  6. Step 6: Final answer
    x = 519,713.56

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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.