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Finding the Fourth Proportional to 537,857.20, 806,958.60 and 360,564.40

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Solution

The fourth proportional to 537,857.20, 806,958.60 and 360,564.40 is: 540,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,857.20 : 806,958.60 = 360,564.40 : x
  2. Step 2: Convert to fraction form
    537,857.20/806,958.60 = 360,564.40/x
  3. Step 3: Cross multiply
    537,857.20x = 806,958.60 × 360,564.40
  4. Step 4: Simplify right side
    537,857.20x = 290,960,543,433.84
  5. Step 5: Solve for x
    x = 290,960,543,433.84/537,857.20
  6. Step 6: Final answer
    x = 540,962.44

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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.