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Finding the Fourth Proportional to 356,679.79, 492,212.36 and 195,536.16

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Solution

The fourth proportional to 356,679.79, 492,212.36 and 195,536.16 is: 269,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,679.79 : 492,212.36 = 195,536.16 : x
  2. Step 2: Convert to fraction form
    356,679.79/492,212.36 = 195,536.16/x
  3. Step 3: Cross multiply
    356,679.79x = 492,212.36 × 195,536.16
  4. Step 4: Simplify right side
    356,679.79x = 96,245,315,267.78
  5. Step 5: Solve for x
    x = 96,245,315,267.78/356,679.79
  6. Step 6: Final answer
    x = 269,836.75

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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.