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Finding the Fourth Proportional to 303,330.70, 454,996.05 and 134,850.70

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Solution

The fourth proportional to 303,330.70, 454,996.05 and 134,850.70 is: 202,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,330.70 : 454,996.05 = 134,850.70 : x
  2. Step 2: Convert to fraction form
    303,330.70/454,996.05 = 134,850.70/x
  3. Step 3: Cross multiply
    303,330.70x = 454,996.05 × 134,850.70
  4. Step 4: Simplify right side
    303,330.70x = 61,356,535,839.74
  5. Step 5: Solve for x
    x = 61,356,535,839.74/303,330.70
  6. Step 6: Final answer
    x = 202,276.05

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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.