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Finding the Fourth Proportional to 507,694.82, 761,580.48 and 170,736.44

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Solution

The fourth proportional to 507,694.82, 761,580.48 and 170,736.44 is: 256,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,694.82 : 761,580.48 = 170,736.44 : x
  2. Step 2: Convert to fraction form
    507,694.82/761,580.48 = 170,736.44/x
  3. Step 3: Cross multiply
    507,694.82x = 761,580.48 × 170,736.44
  4. Step 4: Simplify right side
    507,694.82x = 130,029,539,928.69
  5. Step 5: Solve for x
    x = 130,029,539,928.69/507,694.82
  6. Step 6: Final answer
    x = 256,117.52

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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.