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Finding the Fourth Proportional to 603,529.76, 832,885.04 and 331,614.64

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Solution

The fourth proportional to 603,529.76, 832,885.04 and 331,614.64 is: 457,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,529.76 : 832,885.04 = 331,614.64 : x
  2. Step 2: Convert to fraction form
    603,529.76/832,885.04 = 331,614.64/x
  3. Step 3: Cross multiply
    603,529.76x = 832,885.04 × 331,614.64
  4. Step 4: Simplify right side
    603,529.76x = 276,196,872,700.99
  5. Step 5: Solve for x
    x = 276,196,872,700.99/603,529.76
  6. Step 6: Final answer
    x = 457,635.88

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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.