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Finding the Fourth Proportional to 230,485.46, 317,346.16 and 195,962.30

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Solution

The fourth proportional to 230,485.46, 317,346.16 and 195,962.30 is: 269,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,485.46 : 317,346.16 = 195,962.30 : x
  2. Step 2: Convert to fraction form
    230,485.46/317,346.16 = 195,962.30/x
  3. Step 3: Cross multiply
    230,485.46x = 317,346.16 × 195,962.30
  4. Step 4: Simplify right side
    230,485.46x = 62,187,882,429.96
  5. Step 5: Solve for x
    x = 62,187,882,429.96/230,485.46
  6. Step 6: Final answer
    x = 269,812.61

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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.