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Finding the Fourth Proportional to 349,451.94, 482,127.68 and 284,810.03

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Solution

The fourth proportional to 349,451.94, 482,127.68 and 284,810.03 is: 392,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,451.94 : 482,127.68 = 284,810.03 : x
  2. Step 2: Convert to fraction form
    349,451.94/482,127.68 = 284,810.03/x
  3. Step 3: Cross multiply
    349,451.94x = 482,127.68 × 284,810.03
  4. Step 4: Simplify right side
    349,451.94x = 137,314,795,169.94
  5. Step 5: Solve for x
    x = 137,314,795,169.94/349,451.94
  6. Step 6: Final answer
    x = 392,943.29

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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.