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Finding the Fourth Proportional to 303,577.21, 455,282.70 and 114,022.93

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Solution

The fourth proportional to 303,577.21, 455,282.70 and 114,022.93 is: 171,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,577.21 : 455,282.70 = 114,022.93 : x
  2. Step 2: Convert to fraction form
    303,577.21/455,282.70 = 114,022.93/x
  3. Step 3: Cross multiply
    303,577.21x = 455,282.70 × 114,022.93
  4. Step 4: Simplify right side
    303,577.21x = 51,912,667,432.31
  5. Step 5: Solve for x
    x = 51,912,667,432.31/303,577.21
  6. Step 6: Final answer
    x = 171,003.18

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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.