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Finding the Fourth Proportional to 328,581.51, 453,372.11 and 246,997.01

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Solution

The fourth proportional to 328,581.51, 453,372.11 and 246,997.01 is: 340,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,581.51 : 453,372.11 = 246,997.01 : x
  2. Step 2: Convert to fraction form
    328,581.51/453,372.11 = 246,997.01/x
  3. Step 3: Cross multiply
    328,581.51x = 453,372.11 × 246,997.01
  4. Step 4: Simplify right side
    328,581.51x = 111,981,552,085.55
  5. Step 5: Solve for x
    x = 111,981,552,085.55/328,581.51
  6. Step 6: Final answer
    x = 340,802.96

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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.