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Finding the Fourth Proportional to 560,802.09, 773,902.94 and 306,153.27

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Solution

The fourth proportional to 560,802.09, 773,902.94 and 306,153.27 is: 422,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,802.09 : 773,902.94 = 306,153.27 : x
  2. Step 2: Convert to fraction form
    560,802.09/773,902.94 = 306,153.27/x
  3. Step 3: Cross multiply
    560,802.09x = 773,902.94 × 306,153.27
  4. Step 4: Simplify right side
    560,802.09x = 236,932,915,743.61
  5. Step 5: Solve for x
    x = 236,932,915,743.61/560,802.09
  6. Step 6: Final answer
    x = 422,489.36

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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.