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Finding the Fourth Proportional to 603,604.50, 832,973.97 and 331,689.93

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Solution

The fourth proportional to 603,604.50, 832,973.97 and 331,689.93 is: 457,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,604.50 : 832,973.97 = 331,689.93 : x
  2. Step 2: Convert to fraction form
    603,604.50/832,973.97 = 331,689.93/x
  3. Step 3: Cross multiply
    603,604.50x = 832,973.97 × 331,689.93
  4. Step 4: Simplify right side
    603,604.50x = 276,289,077,801.12
  5. Step 5: Solve for x
    x = 276,289,077,801.12/603,604.50
  6. Step 6: Final answer
    x = 457,731.97

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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.