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Finding the Fourth Proportional to 350,953.14, 484,313.94 and 189,808.38

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Solution

The fourth proportional to 350,953.14, 484,313.94 and 189,808.38 is: 261,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,953.14 : 484,313.94 = 189,808.38 : x
  2. Step 2: Convert to fraction form
    350,953.14/484,313.94 = 189,808.38/x
  3. Step 3: Cross multiply
    350,953.14x = 484,313.94 × 189,808.38
  4. Step 4: Simplify right side
    350,953.14x = 91,926,844,362.82
  5. Step 5: Solve for x
    x = 91,926,844,362.82/350,953.14
  6. Step 6: Final answer
    x = 261,934.81

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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.