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Finding the Fourth Proportional to 300,000.95, 414,082.96 and 171,007.33

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Solution

The fourth proportional to 300,000.95, 414,082.96 and 171,007.33 is: 236,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,000.95 : 414,082.96 = 171,007.33 : x
  2. Step 2: Convert to fraction form
    300,000.95/414,082.96 = 171,007.33/x
  3. Step 3: Cross multiply
    300,000.95x = 414,082.96 × 171,007.33
  4. Step 4: Simplify right side
    300,000.95x = 70,811,218,462.65
  5. Step 5: Solve for x
    x = 70,811,218,462.65/300,000.95
  6. Step 6: Final answer
    x = 236,036.65

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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.