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Finding the Fourth Proportional to 308,570.58, 462,855.88 and 130,953.04

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Solution

The fourth proportional to 308,570.58, 462,855.88 and 130,953.04 is: 196,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,570.58 : 462,855.88 = 130,953.04 : x
  2. Step 2: Convert to fraction form
    308,570.58/462,855.88 = 130,953.04/x
  3. Step 3: Cross multiply
    308,570.58x = 462,855.88 × 130,953.04
  4. Step 4: Simplify right side
    308,570.58x = 60,612,384,567.88
  5. Step 5: Solve for x
    x = 60,612,384,567.88/308,570.58
  6. Step 6: Final answer
    x = 196,429.56

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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.