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Finding the Fourth Proportional to 603,661.07, 832,870.60 and 361,855.41

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Solution

The fourth proportional to 603,661.07, 832,870.60 and 361,855.41 is: 499,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,661.07 : 832,870.60 = 361,855.41 : x
  2. Step 2: Convert to fraction form
    603,661.07/832,870.60 = 361,855.41/x
  3. Step 3: Cross multiply
    603,661.07x = 832,870.60 × 361,855.41
  4. Step 4: Simplify right side
    603,661.07x = 301,378,732,439.95
  5. Step 5: Solve for x
    x = 301,378,732,439.95/603,661.07
  6. Step 6: Final answer
    x = 499,251.56

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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.