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Finding the Fourth Proportional to 484,898.49, 669,112.02 and 270,058.56

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Solution

The fourth proportional to 484,898.49, 669,112.02 and 270,058.56 is: 372,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,898.49 : 669,112.02 = 270,058.56 : x
  2. Step 2: Convert to fraction form
    484,898.49/669,112.02 = 270,058.56/x
  3. Step 3: Cross multiply
    484,898.49x = 669,112.02 × 270,058.56
  4. Step 4: Simplify right side
    484,898.49x = 180,699,428,599.89
  5. Step 5: Solve for x
    x = 180,699,428,599.89/484,898.49
  6. Step 6: Final answer
    x = 372,654.14

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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.