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Finding the Fourth Proportional to 603,116.72, 832,315.58 and 327,486.30

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Solution

The fourth proportional to 603,116.72, 832,315.58 and 327,486.30 is: 451,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,116.72 : 832,315.58 = 327,486.30 : x
  2. Step 2: Convert to fraction form
    603,116.72/832,315.58 = 327,486.30/x
  3. Step 3: Cross multiply
    603,116.72x = 832,315.58 × 327,486.30
  4. Step 4: Simplify right side
    603,116.72x = 272,571,948,089.12
  5. Step 5: Solve for x
    x = 272,571,948,089.12/603,116.72
  6. Step 6: Final answer
    x = 451,938.97

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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.