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Finding the Fourth Proportional to 245,609.12, 337,471.72 and 195,220.64

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Solution

The fourth proportional to 245,609.12, 337,471.72 and 195,220.64 is: 268,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,609.12 : 337,471.72 = 195,220.64 : x
  2. Step 2: Convert to fraction form
    245,609.12/337,471.72 = 195,220.64/x
  3. Step 3: Cross multiply
    245,609.12x = 337,471.72 × 195,220.64
  4. Step 4: Simplify right side
    245,609.12x = 65,881,445,160.30
  5. Step 5: Solve for x
    x = 65,881,445,160.30/245,609.12
  6. Step 6: Final answer
    x = 268,236.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.