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Finding the Fourth Proportional to 581,903.38, 802,839.97 and 352,387.45

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Solution

The fourth proportional to 581,903.38, 802,839.97 and 352,387.45 is: 486,181.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,903.38 : 802,839.97 = 352,387.45 : x
  2. Step 2: Convert to fraction form
    581,903.38/802,839.97 = 352,387.45/x
  3. Step 3: Cross multiply
    581,903.38x = 802,839.97 × 352,387.45
  4. Step 4: Simplify right side
    581,903.38x = 282,910,729,786.38
  5. Step 5: Solve for x
    x = 282,910,729,786.38/581,903.38
  6. Step 6: Final answer
    x = 486,181.62

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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.