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Finding the Fourth Proportional to 484,338.45, 726,571.16 and 160,018.80

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Solution

The fourth proportional to 484,338.45, 726,571.16 and 160,018.80 is: 240,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,338.45 : 726,571.16 = 160,018.80 : x
  2. Step 2: Convert to fraction form
    484,338.45/726,571.16 = 160,018.80/x
  3. Step 3: Cross multiply
    484,338.45x = 726,571.16 × 160,018.80
  4. Step 4: Simplify right side
    484,338.45x = 116,265,044,337.71
  5. Step 5: Solve for x
    x = 116,265,044,337.71/484,338.45
  6. Step 6: Final answer
    x = 240,049.17

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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.