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Finding the Fourth Proportional to 484,555.62, 726,995.30 and 214,647.11

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Solution

The fourth proportional to 484,555.62, 726,995.30 and 214,647.11 is: 322,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,555.62 : 726,995.30 = 214,647.11 : x
  2. Step 2: Convert to fraction form
    484,555.62/726,995.30 = 214,647.11/x
  3. Step 3: Cross multiply
    484,555.62x = 726,995.30 × 214,647.11
  4. Step 4: Simplify right side
    484,555.62x = 156,047,443,443.34
  5. Step 5: Solve for x
    x = 156,047,443,443.34/484,555.62
  6. Step 6: Final answer
    x = 322,042.38

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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.