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Finding the Fourth Proportional to 451,084.60, 622,563.06 and 260,060.68

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Solution

The fourth proportional to 451,084.60, 622,563.06 and 260,060.68 is: 358,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,084.60 : 622,563.06 = 260,060.68 : x
  2. Step 2: Convert to fraction form
    451,084.60/622,563.06 = 260,060.68/x
  3. Step 3: Cross multiply
    451,084.60x = 622,563.06 × 260,060.68
  4. Step 4: Simplify right side
    451,084.60x = 161,904,172,726.48
  5. Step 5: Solve for x
    x = 161,904,172,726.48/451,084.60
  6. Step 6: Final answer
    x = 358,921.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.