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Finding the Fourth Proportional to 581,693.62, 802,474.83 and 339,867.46

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Solution

The fourth proportional to 581,693.62, 802,474.83 and 339,867.46 is: 468,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,693.62 : 802,474.83 = 339,867.46 : x
  2. Step 2: Convert to fraction form
    581,693.62/802,474.83 = 339,867.46/x
  3. Step 3: Cross multiply
    581,693.62x = 802,474.83 × 339,867.46
  4. Step 4: Simplify right side
    581,693.62x = 272,735,078,173.66
  5. Step 5: Solve for x
    x = 272,735,078,173.66/581,693.62
  6. Step 6: Final answer
    x = 468,863.80

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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.