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Finding the Fourth Proportional to 546,811.63, 820,260.39 and 147,446.39

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Solution

The fourth proportional to 546,811.63, 820,260.39 and 147,446.39 is: 221,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,811.63 : 820,260.39 = 147,446.39 : x
  2. Step 2: Convert to fraction form
    546,811.63/820,260.39 = 147,446.39/x
  3. Step 3: Cross multiply
    546,811.63x = 820,260.39 × 147,446.39
  4. Step 4: Simplify right side
    546,811.63x = 120,944,433,365.49
  5. Step 5: Solve for x
    x = 120,944,433,365.49/546,811.63
  6. Step 6: Final answer
    x = 221,181.17

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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.