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Finding the Fourth Proportional to 585,861.63, 808,456.50 and 327,688.71

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Solution

The fourth proportional to 585,861.63, 808,456.50 and 327,688.71 is: 452,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,861.63 : 808,456.50 = 327,688.71 : x
  2. Step 2: Convert to fraction form
    585,861.63/808,456.50 = 327,688.71/x
  3. Step 3: Cross multiply
    585,861.63x = 808,456.50 × 327,688.71
  4. Step 4: Simplify right side
    585,861.63x = 264,922,067,576.12
  5. Step 5: Solve for x
    x = 264,922,067,576.12/585,861.63
  6. Step 6: Final answer
    x = 452,192.21

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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.