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Finding the Fourth Proportional to 356,912.10, 492,530.22 and 195,765.72

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Solution

The fourth proportional to 356,912.10, 492,530.22 and 195,765.72 is: 270,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,912.10 : 492,530.22 = 195,765.72 : x
  2. Step 2: Convert to fraction form
    356,912.10/492,530.22 = 195,765.72/x
  3. Step 3: Cross multiply
    356,912.10x = 492,530.22 × 195,765.72
  4. Step 4: Simplify right side
    356,912.10x = 96,420,533,140.06
  5. Step 5: Solve for x
    x = 96,420,533,140.06/356,912.10
  6. Step 6: Final answer
    x = 270,152.04

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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.