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Finding the Fourth Proportional to 492,581.79, 737,765.48 and 299,934.43

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Solution

The fourth proportional to 492,581.79, 737,765.48 and 299,934.43 is: 449,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,581.79 : 737,765.48 = 299,934.43 : x
  2. Step 2: Convert to fraction form
    492,581.79/737,765.48 = 299,934.43/x
  3. Step 3: Cross multiply
    492,581.79x = 737,765.48 × 299,934.43
  4. Step 4: Simplify right side
    492,581.79x = 221,281,267,622.90
  5. Step 5: Solve for x
    x = 221,281,267,622.90/492,581.79
  6. Step 6: Final answer
    x = 449,227.46

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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.