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Finding the Fourth Proportional to 445,684.68, 668,630.88 and 245,957.04

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Solution

The fourth proportional to 445,684.68, 668,630.88 and 245,957.04 is: 368,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,684.68 : 668,630.88 = 245,957.04 : x
  2. Step 2: Convert to fraction form
    445,684.68/668,630.88 = 245,957.04/x
  3. Step 3: Cross multiply
    445,684.68x = 668,630.88 × 245,957.04
  4. Step 4: Simplify right side
    445,684.68x = 164,454,472,097.40
  5. Step 5: Solve for x
    x = 164,454,472,097.40/445,684.68
  6. Step 6: Final answer
    x = 368,992.88

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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.