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Finding the Fourth Proportional to 308,569.58, 462,854.38 and 130,952.04

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Solution

The fourth proportional to 308,569.58, 462,854.38 and 130,952.04 is: 196,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,569.58 : 462,854.38 = 130,952.04 : x
  2. Step 2: Convert to fraction form
    308,569.58/462,854.38 = 130,952.04/x
  3. Step 3: Cross multiply
    308,569.58x = 462,854.38 × 130,952.04
  4. Step 4: Simplify right side
    308,569.58x = 60,611,725,283.94
  5. Step 5: Solve for x
    x = 60,611,725,283.94/308,569.58
  6. Step 6: Final answer
    x = 196,428.06

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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.