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Finding the Fourth Proportional to 368,084.59, 551,563.71 and 247,695.71

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Solution

The fourth proportional to 368,084.59, 551,563.71 and 247,695.71 is: 371,164.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,084.59 : 551,563.71 = 247,695.71 : x
  2. Step 2: Convert to fraction form
    368,084.59/551,563.71 = 247,695.71/x
  3. Step 3: Cross multiply
    368,084.59x = 551,563.71 × 247,695.71
  4. Step 4: Simplify right side
    368,084.59x = 136,619,964,758.68
  5. Step 5: Solve for x
    x = 136,619,964,758.68/368,084.59
  6. Step 6: Final answer
    x = 371,164.59

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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.