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Finding the Fourth Proportional to 351,698.94, 526,693.05 and 164,763.90

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Solution

The fourth proportional to 351,698.94, 526,693.05 and 164,763.90 is: 246,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,698.94 : 526,693.05 = 164,763.90 : x
  2. Step 2: Convert to fraction form
    351,698.94/526,693.05 = 164,763.90/x
  3. Step 3: Cross multiply
    351,698.94x = 526,693.05 × 164,763.90
  4. Step 4: Simplify right side
    351,698.94x = 86,780,001,020.90
  5. Step 5: Solve for x
    x = 86,780,001,020.90/351,698.94
  6. Step 6: Final answer
    x = 246,745.13

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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.