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Finding the Fourth Proportional to 217,425.70, 303,773.90 and 217,425.70

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Solution

The fourth proportional to 217,425.70, 303,773.90 and 217,425.70 is: 303,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,425.70 : 303,773.90 = 217,425.70 : x
  2. Step 2: Convert to fraction form
    217,425.70/303,773.90 = 217,425.70/x
  3. Step 3: Cross multiply
    217,425.70x = 303,773.90 × 217,425.70
  4. Step 4: Simplify right side
    217,425.70x = 66,048,252,849.23
  5. Step 5: Solve for x
    x = 66,048,252,849.23/217,425.70
  6. Step 6: Final answer
    x = 303,773.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.