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Finding the Fourth Proportional to 440,161.19, 660,119.84 and 155,814.29

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Solution

The fourth proportional to 440,161.19, 660,119.84 and 155,814.29 is: 233,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,161.19 : 660,119.84 = 155,814.29 : x
  2. Step 2: Convert to fraction form
    440,161.19/660,119.84 = 155,814.29/x
  3. Step 3: Cross multiply
    440,161.19x = 660,119.84 × 155,814.29
  4. Step 4: Simplify right side
    440,161.19x = 102,856,100,494.38
  5. Step 5: Solve for x
    x = 102,856,100,494.38/440,161.19
  6. Step 6: Final answer
    x = 233,678.26

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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.