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Finding the Fourth Proportional to 603,410.28, 832,679.28 and 361,826.16

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Solution

The fourth proportional to 603,410.28, 832,679.28 and 361,826.16 is: 499,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,410.28 : 832,679.28 = 361,826.16 : x
  2. Step 2: Convert to fraction form
    603,410.28/832,679.28 = 361,826.16/x
  3. Step 3: Cross multiply
    603,410.28x = 832,679.28 × 361,826.16
  4. Step 4: Simplify right side
    603,410.28x = 301,285,146,393.97
  5. Step 5: Solve for x
    x = 301,285,146,393.97/603,410.28
  6. Step 6: Final answer
    x = 499,303.97

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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.