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Finding the Fourth Proportional to 351,410.52, 526,865.22 and 164,319.96

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Solution

The fourth proportional to 351,410.52, 526,865.22 and 164,319.96 is: 246,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,410.52 : 526,865.22 = 164,319.96 : x
  2. Step 2: Convert to fraction form
    351,410.52/526,865.22 = 164,319.96/x
  3. Step 3: Cross multiply
    351,410.52x = 526,865.22 × 164,319.96
  4. Step 4: Simplify right side
    351,410.52x = 86,574,471,875.79
  5. Step 5: Solve for x
    x = 86,574,471,875.79/351,410.52
  6. Step 6: Final answer
    x = 246,362.78

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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.