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Finding the Fourth Proportional to 404,568.52, 606,852.80 and 109,080.52

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Solution

The fourth proportional to 404,568.52, 606,852.80 and 109,080.52 is: 163,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,568.52 : 606,852.80 = 109,080.52 : x
  2. Step 2: Convert to fraction form
    404,568.52/606,852.80 = 109,080.52/x
  3. Step 3: Cross multiply
    404,568.52x = 606,852.80 × 109,080.52
  4. Step 4: Simplify right side
    404,568.52x = 66,195,818,987.46
  5. Step 5: Solve for x
    x = 66,195,818,987.46/404,568.52
  6. Step 6: Final answer
    x = 163,620.79

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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.