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Finding the Fourth Proportional to 484,496.44, 726,775.38 and 152,085.56

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Solution

The fourth proportional to 484,496.44, 726,775.38 and 152,085.56 is: 228,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,496.44 : 726,775.38 = 152,085.56 : x
  2. Step 2: Convert to fraction form
    484,496.44/726,775.38 = 152,085.56/x
  3. Step 3: Cross multiply
    484,496.44x = 726,775.38 × 152,085.56
  4. Step 4: Simplify right side
    484,496.44x = 110,532,040,661.51
  5. Step 5: Solve for x
    x = 110,532,040,661.51/484,496.44
  6. Step 6: Final answer
    x = 228,137.98

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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.