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Finding the Fourth Proportional to 241,816.80, 362,725.20 and 219,655.20

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Solution

The fourth proportional to 241,816.80, 362,725.20 and 219,655.20 is: 329,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,816.80 : 362,725.20 = 219,655.20 : x
  2. Step 2: Convert to fraction form
    241,816.80/362,725.20 = 219,655.20/x
  3. Step 3: Cross multiply
    241,816.80x = 362,725.20 × 219,655.20
  4. Step 4: Simplify right side
    241,816.80x = 79,674,476,351.04
  5. Step 5: Solve for x
    x = 79,674,476,351.04/241,816.80
  6. Step 6: Final answer
    x = 329,482.80

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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.