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Finding the Fourth Proportional to 586,410.39, 809,333.37 and 371,570.58

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Solution

The fourth proportional to 586,410.39, 809,333.37 and 371,570.58 is: 512,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,410.39 : 809,333.37 = 371,570.58 : x
  2. Step 2: Convert to fraction form
    586,410.39/809,333.37 = 371,570.58/x
  3. Step 3: Cross multiply
    586,410.39x = 809,333.37 × 371,570.58
  4. Step 4: Simplify right side
    586,410.39x = 300,724,469,704.26
  5. Step 5: Solve for x
    x = 300,724,469,704.26/586,410.39
  6. Step 6: Final answer
    x = 512,822.55

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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.