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Finding the Fourth Proportional to 303,475.87, 455,263.23 and 113,950.90

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Solution

The fourth proportional to 303,475.87, 455,263.23 and 113,950.90 is: 170,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,475.87 : 455,263.23 = 113,950.90 : x
  2. Step 2: Convert to fraction form
    303,475.87/455,263.23 = 113,950.90/x
  3. Step 3: Cross multiply
    303,475.87x = 455,263.23 × 113,950.90
  4. Step 4: Simplify right side
    303,475.87x = 51,877,655,791.80
  5. Step 5: Solve for x
    x = 51,877,655,791.80/303,475.87
  6. Step 6: Final answer
    x = 170,944.91

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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.