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Finding the Fourth Proportional to 347,113.34, 479,010.06 and 196,210.34

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Solution

The fourth proportional to 347,113.34, 479,010.06 and 196,210.34 is: 270,766.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,113.34 : 479,010.06 = 196,210.34 : x
  2. Step 2: Convert to fraction form
    347,113.34/479,010.06 = 196,210.34/x
  3. Step 3: Cross multiply
    347,113.34x = 479,010.06 × 196,210.34
  4. Step 4: Simplify right side
    347,113.34x = 93,986,724,340.97
  5. Step 5: Solve for x
    x = 93,986,724,340.97/347,113.34
  6. Step 6: Final answer
    x = 270,766.68

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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.