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Finding the Fourth Proportional to 468,219.43, 702,060.87 and 143,923.08

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Solution

The fourth proportional to 468,219.43, 702,060.87 and 143,923.08 is: 215,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,219.43 : 702,060.87 = 143,923.08 : x
  2. Step 2: Convert to fraction form
    468,219.43/702,060.87 = 143,923.08/x
  3. Step 3: Cross multiply
    468,219.43x = 702,060.87 × 143,923.08
  4. Step 4: Simplify right side
    468,219.43x = 101,042,762,757.88
  5. Step 5: Solve for x
    x = 101,042,762,757.88/468,219.43
  6. Step 6: Final answer
    x = 215,802.16

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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.