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Finding the Fourth Proportional to 590,803.69, 815,304.94 and 322,531.69

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Solution

The fourth proportional to 590,803.69, 815,304.94 and 322,531.69 is: 445,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,803.69 : 815,304.94 = 322,531.69 : x
  2. Step 2: Convert to fraction form
    590,803.69/815,304.94 = 322,531.69/x
  3. Step 3: Cross multiply
    590,803.69x = 815,304.94 × 322,531.69
  4. Step 4: Simplify right side
    590,803.69x = 262,961,680,163.55
  5. Step 5: Solve for x
    x = 262,961,680,163.55/590,803.69
  6. Step 6: Final answer
    x = 445,091.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.