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Finding the Fourth Proportional to 367,603.40, 551,405.10 and 180,979.40

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Solution

The fourth proportional to 367,603.40, 551,405.10 and 180,979.40 is: 271,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,603.40 : 551,405.10 = 180,979.40 : x
  2. Step 2: Convert to fraction form
    367,603.40/551,405.10 = 180,979.40/x
  3. Step 3: Cross multiply
    367,603.40x = 551,405.10 × 180,979.40
  4. Step 4: Simplify right side
    367,603.40x = 99,792,964,154.94
  5. Step 5: Solve for x
    x = 99,792,964,154.94/367,603.40
  6. Step 6: Final answer
    x = 271,469.10

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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.