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Finding the Fourth Proportional to 484,480, 726,745.92 and 152,081.92

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Solution

The fourth proportional to 484,480, 726,745.92 and 152,081.92 is: 228,131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,480 : 726,745.92 = 152,081.92 : x
  2. Step 2: Convert to fraction form
    484,480/726,745.92 = 152,081.92/x
  3. Step 3: Cross multiply
    484,480x = 726,745.92 × 152,081.92
  4. Step 4: Simplify right side
    484,480x = 110,524,914,865.77
  5. Step 5: Solve for x
    x = 110,524,914,865.77/484,480
  6. Step 6: Final answer
    x = 228,131.02

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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.