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Finding the Fourth Proportional to 484,021.94, 724,870.14 and 270,264.56

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Solution

The fourth proportional to 484,021.94, 724,870.14 and 270,264.56 is: 404,747.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,021.94 : 724,870.14 = 270,264.56 : x
  2. Step 2: Convert to fraction form
    484,021.94/724,870.14 = 270,264.56/x
  3. Step 3: Cross multiply
    484,021.94x = 724,870.14 × 270,264.56
  4. Step 4: Simplify right side
    484,021.94x = 195,906,709,444.24
  5. Step 5: Solve for x
    x = 195,906,709,444.24/484,021.94
  6. Step 6: Final answer
    x = 404,747.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.