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Finding the Fourth Proportional to 442,754.56, 610,994.24 and 251,763.84

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Solution

The fourth proportional to 442,754.56, 610,994.24 and 251,763.84 is: 347,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,754.56 : 610,994.24 = 251,763.84 : x
  2. Step 2: Convert to fraction form
    442,754.56/610,994.24 = 251,763.84/x
  3. Step 3: Cross multiply
    442,754.56x = 610,994.24 × 251,763.84
  4. Step 4: Simplify right side
    442,754.56x = 153,826,256,080.28
  5. Step 5: Solve for x
    x = 153,826,256,080.28/442,754.56
  6. Step 6: Final answer
    x = 347,430.09

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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.