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Finding the Fourth Proportional to 603,620.52, 833,251.68 and 407,429.52

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Solution

The fourth proportional to 603,620.52, 833,251.68 and 407,429.52 is: 562,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,620.52 : 833,251.68 = 407,429.52 : x
  2. Step 2: Convert to fraction form
    603,620.52/833,251.68 = 407,429.52/x
  3. Step 3: Cross multiply
    603,620.52x = 833,251.68 × 407,429.52
  4. Step 4: Simplify right side
    603,620.52x = 339,491,332,021.59
  5. Step 5: Solve for x
    x = 339,491,332,021.59/603,620.52
  6. Step 6: Final answer
    x = 562,425.10

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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.