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Finding the Fourth Proportional to 404,639.40, 607,202.10 and 167,957.40

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Solution

The fourth proportional to 404,639.40, 607,202.10 and 167,957.40 is: 252,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,639.40 : 607,202.10 = 167,957.40 : x
  2. Step 2: Convert to fraction form
    404,639.40/607,202.10 = 167,957.40/x
  3. Step 3: Cross multiply
    404,639.40x = 607,202.10 × 167,957.40
  4. Step 4: Simplify right side
    404,639.40x = 101,984,085,990.54
  5. Step 5: Solve for x
    x = 101,984,085,990.54/404,639.40
  6. Step 6: Final answer
    x = 252,036.96

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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.