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Finding the Fourth Proportional to 225,846.46, 310,885.90 and 195,205.60

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Solution

The fourth proportional to 225,846.46, 310,885.90 and 195,205.60 is: 268,707.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,846.46 : 310,885.90 = 195,205.60 : x
  2. Step 2: Convert to fraction form
    225,846.46/310,885.90 = 195,205.60/x
  3. Step 3: Cross multiply
    225,846.46x = 310,885.90 × 195,205.60
  4. Step 4: Simplify right side
    225,846.46x = 60,686,668,641.04
  5. Step 5: Solve for x
    x = 60,686,668,641.04/225,846.46
  6. Step 6: Final answer
    x = 268,707.64

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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.