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Finding the Fourth Proportional to 603,530.08, 832,871.70 and 331,615.36

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Solution

The fourth proportional to 603,530.08, 832,871.70 and 331,615.36 is: 457,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,530.08 : 832,871.70 = 331,615.36 : x
  2. Step 2: Convert to fraction form
    603,530.08/832,871.70 = 331,615.36/x
  3. Step 3: Cross multiply
    603,530.08x = 832,871.70 × 331,615.36
  4. Step 4: Simplify right side
    603,530.08x = 276,193,048,629.31
  5. Step 5: Solve for x
    x = 276,193,048,629.31/603,530.08
  6. Step 6: Final answer
    x = 457,629.30

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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.