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Finding the Fourth Proportional to 303,562.18, 455,292.09 and 111,396.87

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Solution

The fourth proportional to 303,562.18, 455,292.09 and 111,396.87 is: 167,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,562.18 : 455,292.09 = 111,396.87 : x
  2. Step 2: Convert to fraction form
    303,562.18/455,292.09 = 111,396.87/x
  3. Step 3: Cross multiply
    303,562.18x = 455,292.09 × 111,396.87
  4. Step 4: Simplify right side
    303,562.18x = 50,718,113,761.76
  5. Step 5: Solve for x
    x = 50,718,113,761.76/303,562.18
  6. Step 6: Final answer
    x = 167,076.52

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1.5x scale

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.