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Finding the Fourth Proportional to 529,950.28, 731,166.43 and 300,489.48

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Solution

The fourth proportional to 529,950.28, 731,166.43 and 300,489.48 is: 414,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,950.28 : 731,166.43 = 300,489.48 : x
  2. Step 2: Convert to fraction form
    529,950.28/731,166.43 = 300,489.48/x
  3. Step 3: Cross multiply
    529,950.28x = 731,166.43 × 300,489.48
  4. Step 4: Simplify right side
    529,950.28x = 219,707,820,344.16
  5. Step 5: Solve for x
    x = 219,707,820,344.16/529,950.28
  6. Step 6: Final answer
    x = 414,581.95

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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.