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Finding the Fourth Proportional to 603,663.46, 832,873.89 and 361,857.81

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Solution

The fourth proportional to 603,663.46, 832,873.89 and 361,857.81 is: 499,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,663.46 : 832,873.89 = 361,857.81 : x
  2. Step 2: Convert to fraction form
    603,663.46/832,873.89 = 361,857.81/x
  3. Step 3: Cross multiply
    603,663.46x = 832,873.89 × 361,857.81
  4. Step 4: Simplify right side
    603,663.46x = 301,381,919,294.45
  5. Step 5: Solve for x
    x = 301,381,919,294.45/603,663.46
  6. Step 6: Final answer
    x = 499,254.86

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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.