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Finding the Fourth Proportional to 275,737.29, 380,509.16 and 153,229.26

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Solution

The fourth proportional to 275,737.29, 380,509.16 and 153,229.26 is: 211,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,737.29 : 380,509.16 = 153,229.26 : x
  2. Step 2: Convert to fraction form
    275,737.29/380,509.16 = 153,229.26/x
  3. Step 3: Cross multiply
    275,737.29x = 380,509.16 × 153,229.26
  4. Step 4: Simplify right side
    275,737.29x = 58,305,137,010.02
  5. Step 5: Solve for x
    x = 58,305,137,010.02/275,737.29
  6. Step 6: Final answer
    x = 211,451.77

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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.