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Finding the Fourth Proportional to 303,452.19, 455,227.56 and 113,927.45

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Solution

The fourth proportional to 303,452.19, 455,227.56 and 113,927.45 is: 170,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,452.19 : 455,227.56 = 113,927.45 : x
  2. Step 2: Convert to fraction form
    303,452.19/455,227.56 = 113,927.45/x
  3. Step 3: Cross multiply
    303,452.19x = 455,227.56 × 113,927.45
  4. Step 4: Simplify right side
    303,452.19x = 51,862,912,804.38
  5. Step 5: Solve for x
    x = 51,862,912,804.38/303,452.19
  6. Step 6: Final answer
    x = 170,909.67

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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.