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Finding the Fourth Proportional to 603,013.06, 832,159.68 and 331,098.56

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Solution

The fourth proportional to 603,013.06, 832,159.68 and 331,098.56 is: 456,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,013.06 : 832,159.68 = 331,098.56 : x
  2. Step 2: Convert to fraction form
    603,013.06/832,159.68 = 331,098.56/x
  3. Step 3: Cross multiply
    603,013.06x = 832,159.68 × 331,098.56
  4. Step 4: Simplify right side
    603,013.06x = 275,526,871,738.06
  5. Step 5: Solve for x
    x = 275,526,871,738.06/603,013.06
  6. Step 6: Final answer
    x = 456,916.92

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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.