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Finding the Fourth Proportional to 303,315.94, 454,975.80 and 134,796.70

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Solution

The fourth proportional to 303,315.94, 454,975.80 and 134,796.70 is: 202,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,315.94 : 454,975.80 = 134,796.70 : x
  2. Step 2: Convert to fraction form
    303,315.94/454,975.80 = 134,796.70/x
  3. Step 3: Cross multiply
    303,315.94x = 454,975.80 × 134,796.70
  4. Step 4: Simplify right side
    303,315.94x = 61,329,236,419.86
  5. Step 5: Solve for x
    x = 61,329,236,419.86/303,315.94
  6. Step 6: Final answer
    x = 202,195.89

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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.