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Finding the Fourth Proportional to 581,351.03, 802,273.76 and 319,716.68

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Solution

The fourth proportional to 581,351.03, 802,273.76 and 319,716.68 is: 441,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,351.03 : 802,273.76 = 319,716.68 : x
  2. Step 2: Convert to fraction form
    581,351.03/802,273.76 = 319,716.68/x
  3. Step 3: Cross multiply
    581,351.03x = 802,273.76 × 319,716.68
  4. Step 4: Simplify right side
    581,351.03x = 256,500,302,998.32
  5. Step 5: Solve for x
    x = 256,500,302,998.32/581,351.03
  6. Step 6: Final answer
    x = 441,214.15

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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.