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Finding the Fourth Proportional to 603,606.52, 832,976.76 and 331,691.93

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Solution

The fourth proportional to 603,606.52, 832,976.76 and 331,691.93 is: 457,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,606.52 : 832,976.76 = 331,691.93 : x
  2. Step 2: Convert to fraction form
    603,606.52/832,976.76 = 331,691.93/x
  3. Step 3: Cross multiply
    603,606.52x = 832,976.76 × 331,691.93
  4. Step 4: Simplify right side
    603,606.52x = 276,291,669,372.17
  5. Step 5: Solve for x
    x = 276,291,669,372.17/603,606.52
  6. Step 6: Final answer
    x = 457,734.74

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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.