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Finding the Fourth Proportional to 603,472.34, 832,806.48 and 331,557.82

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Solution

The fourth proportional to 603,472.34, 832,806.48 and 331,557.82 is: 457,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,472.34 : 832,806.48 = 331,557.82 : x
  2. Step 2: Convert to fraction form
    603,472.34/832,806.48 = 331,557.82/x
  3. Step 3: Cross multiply
    603,472.34x = 832,806.48 × 331,557.82
  4. Step 4: Simplify right side
    603,472.34x = 276,123,500,990.67
  5. Step 5: Solve for x
    x = 276,123,500,990.67/603,472.34
  6. Step 6: Final answer
    x = 457,557.84

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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.