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Finding the Fourth Proportional to 718,614, 1,077,608.04 and 206,166.06

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Solution

The fourth proportional to 718,614, 1,077,608.04 and 206,166.06 is: 309,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,614 : 1,077,608.04 = 206,166.06 : x
  2. Step 2: Convert to fraction form
    718,614/1,077,608.04 = 206,166.06/x
  3. Step 3: Cross multiply
    718,614x = 1,077,608.04 × 206,166.06
  4. Step 4: Simplify right side
    718,614x = 222,166,203,831.12
  5. Step 5: Solve for x
    x = 222,166,203,831.12/718,614
  6. Step 6: Final answer
    x = 309,159.30

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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.