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Finding the Fourth Proportional to 303,016.70, 418,138.47 and 175,700.50

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Solution

The fourth proportional to 303,016.70, 418,138.47 and 175,700.50 is: 242,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,016.70 : 418,138.47 = 175,700.50 : x
  2. Step 2: Convert to fraction form
    303,016.70/418,138.47 = 175,700.50/x
  3. Step 3: Cross multiply
    303,016.70x = 418,138.47 × 175,700.50
  4. Step 4: Simplify right side
    303,016.70x = 73,467,137,202.89
  5. Step 5: Solve for x
    x = 73,467,137,202.89/303,016.70
  6. Step 6: Final answer
    x = 242,452.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.