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Finding the Fourth Proportional to 230,246.49, 345,605.31 and 190,137.72

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Solution

The fourth proportional to 230,246.49, 345,605.31 and 190,137.72 is: 285,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,246.49 : 345,605.31 = 190,137.72 : x
  2. Step 2: Convert to fraction form
    230,246.49/345,605.31 = 190,137.72/x
  3. Step 3: Cross multiply
    230,246.49x = 345,605.31 × 190,137.72
  4. Step 4: Simplify right side
    230,246.49x = 65,712,605,663.29
  5. Step 5: Solve for x
    x = 65,712,605,663.29/230,246.49
  6. Step 6: Final answer
    x = 285,401.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.