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Finding the Fourth Proportional to 603,117.72, 832,316.96 and 327,487.30

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Solution

The fourth proportional to 603,117.72, 832,316.96 and 327,487.30 is: 451,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,117.72 : 832,316.96 = 327,487.30 : x
  2. Step 2: Convert to fraction form
    603,117.72/832,316.96 = 327,487.30/x
  3. Step 3: Cross multiply
    603,117.72x = 832,316.96 × 327,487.30
  4. Step 4: Simplify right side
    603,117.72x = 272,573,233,974.61
  5. Step 5: Solve for x
    x = 272,573,233,974.61/603,117.72
  6. Step 6: Final answer
    x = 451,940.35

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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.