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Finding the Fourth Proportional to 350,953.52, 484,315.86 and 189,808.57

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Solution

The fourth proportional to 350,953.52, 484,315.86 and 189,808.57 is: 261,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,953.52 : 484,315.86 = 189,808.57 : x
  2. Step 2: Convert to fraction form
    350,953.52/484,315.86 = 189,808.57/x
  3. Step 3: Cross multiply
    350,953.52x = 484,315.86 × 189,808.57
  4. Step 4: Simplify right side
    350,953.52x = 91,927,300,814.92
  5. Step 5: Solve for x
    x = 91,927,300,814.92/350,953.52
  6. Step 6: Final answer
    x = 261,935.83

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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.