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Finding the Fourth Proportional to 295,304.67, 407,516.81 and 167,979.96

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Solution

The fourth proportional to 295,304.67, 407,516.81 and 167,979.96 is: 231,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,304.67 : 407,516.81 = 167,979.96 : x
  2. Step 2: Convert to fraction form
    295,304.67/407,516.81 = 167,979.96/x
  3. Step 3: Cross multiply
    295,304.67x = 407,516.81 × 167,979.96
  4. Step 4: Simplify right side
    295,304.67x = 68,454,656,603.23
  5. Step 5: Solve for x
    x = 68,454,656,603.23/295,304.67
  6. Step 6: Final answer
    x = 231,810.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.