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Finding the Fourth Proportional to 603,458.91, 832,769.85 and 331,520.95

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Solution

The fourth proportional to 603,458.91, 832,769.85 and 331,520.95 is: 457,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,458.91 : 832,769.85 = 331,520.95 : x
  2. Step 2: Convert to fraction form
    603,458.91/832,769.85 = 331,520.95/x
  3. Step 3: Cross multiply
    603,458.91x = 832,769.85 × 331,520.95
  4. Step 4: Simplify right side
    603,458.91x = 276,080,651,756.52
  5. Step 5: Solve for x
    x = 276,080,651,756.52/603,458.91
  6. Step 6: Final answer
    x = 457,497.02

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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.