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Finding the Fourth Proportional to 275,504.29, 380,234.28 and 153,024.19

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Solution

The fourth proportional to 275,504.29, 380,234.28 and 153,024.19 is: 211,194.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,504.29 : 380,234.28 = 153,024.19 : x
  2. Step 2: Convert to fraction form
    275,504.29/380,234.28 = 153,024.19/x
  3. Step 3: Cross multiply
    275,504.29x = 380,234.28 × 153,024.19
  4. Step 4: Simplify right side
    275,504.29x = 58,185,042,330.49
  5. Step 5: Solve for x
    x = 58,185,042,330.49/275,504.29
  6. Step 6: Final answer
    x = 211,194.69

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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.