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Finding the Fourth Proportional to 541,513, 747,287.94 and 303,049

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Solution

The fourth proportional to 541,513, 747,287.94 and 303,049 is: 418,207.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,513 : 747,287.94 = 303,049 : x
  2. Step 2: Convert to fraction form
    541,513/747,287.94 = 303,049/x
  3. Step 3: Cross multiply
    541,513x = 747,287.94 × 303,049
  4. Step 4: Simplify right side
    541,513x = 226,464,862,929.06
  5. Step 5: Solve for x
    x = 226,464,862,929.06/541,513
  6. Step 6: Final answer
    x = 418,207.62

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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.