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Finding the Fourth Proportional to 603,574.60, 832,928.82 and 331,645.36

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Solution

The fourth proportional to 603,574.60, 832,928.82 and 331,645.36 is: 457,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,574.60 : 832,928.82 = 331,645.36 : x
  2. Step 2: Convert to fraction form
    603,574.60/832,928.82 = 331,645.36/x
  3. Step 3: Cross multiply
    603,574.60x = 832,928.82 × 331,645.36
  4. Step 4: Simplify right side
    603,574.60x = 276,236,978,363.28
  5. Step 5: Solve for x
    x = 276,236,978,363.28/603,574.60
  6. Step 6: Final answer
    x = 457,668.33

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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.