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Finding the Fourth Proportional to 351,005.82, 526,071.90 and 170,944.02

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Solution

The fourth proportional to 351,005.82, 526,071.90 and 170,944.02 is: 256,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,005.82 : 526,071.90 = 170,944.02 : x
  2. Step 2: Convert to fraction form
    351,005.82/526,071.90 = 170,944.02/x
  3. Step 3: Cross multiply
    351,005.82x = 526,071.90 × 170,944.02
  4. Step 4: Simplify right side
    351,005.82x = 89,928,845,395.04
  5. Step 5: Solve for x
    x = 89,928,845,395.04/351,005.82
  6. Step 6: Final answer
    x = 256,203.29

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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.