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Finding the Fourth Proportional to 350,451.77, 483,623.15 and 189,306.77

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Solution

The fourth proportional to 350,451.77, 483,623.15 and 189,306.77 is: 261,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,451.77 : 483,623.15 = 189,306.77 : x
  2. Step 2: Convert to fraction form
    350,451.77/483,623.15 = 189,306.77/x
  3. Step 3: Cross multiply
    350,451.77x = 483,623.15 × 189,306.77
  4. Step 4: Simplify right side
    350,451.77x = 91,553,133,059.08
  5. Step 5: Solve for x
    x = 91,553,133,059.08/350,451.77
  6. Step 6: Final answer
    x = 261,243.18

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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.