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Finding the Fourth Proportional to 586,462.56, 809,100 and 331,622.88

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Solution

The fourth proportional to 586,462.56, 809,100 and 331,622.88 is: 457,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,462.56 : 809,100 = 331,622.88 : x
  2. Step 2: Convert to fraction form
    586,462.56/809,100 = 331,622.88/x
  3. Step 3: Cross multiply
    586,462.56x = 809,100 × 331,622.88
  4. Step 4: Simplify right side
    586,462.56x = 268,316,072,208
  5. Step 5: Solve for x
    x = 268,316,072,208/586,462.56
  6. Step 6: Final answer
    x = 457,516.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.