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Finding the Fourth Proportional to 484,997.94, 727,048.47 and 247,817.79

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Solution

The fourth proportional to 484,997.94, 727,048.47 and 247,817.79 is: 371,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,997.94 : 727,048.47 = 247,817.79 : x
  2. Step 2: Convert to fraction form
    484,997.94/727,048.47 = 247,817.79/x
  3. Step 3: Cross multiply
    484,997.94x = 727,048.47 × 247,817.79
  4. Step 4: Simplify right side
    484,997.94x = 180,175,545,058.28
  5. Step 5: Solve for x
    x = 180,175,545,058.28/484,997.94
  6. Step 6: Final answer
    x = 371,497.55

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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.