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Finding the Fourth Proportional to 590,255.91, 885,383.87 and 163,791.87

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Solution

The fourth proportional to 590,255.91, 885,383.87 and 163,791.87 is: 245,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,255.91 : 885,383.87 = 163,791.87 : x
  2. Step 2: Convert to fraction form
    590,255.91/885,383.87 = 163,791.87/x
  3. Step 3: Cross multiply
    590,255.91x = 885,383.87 × 163,791.87
  4. Step 4: Simplify right side
    590,255.91x = 145,018,678,916.18
  5. Step 5: Solve for x
    x = 145,018,678,916.18/590,255.91
  6. Step 6: Final answer
    x = 245,687.81

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Similar ratio
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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.