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Finding the Fourth Proportional to 350,917.06, 526,370.70 and 84,675.34

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Solution

The fourth proportional to 350,917.06, 526,370.70 and 84,675.34 is: 127,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,917.06 : 526,370.70 = 84,675.34 : x
  2. Step 2: Convert to fraction form
    350,917.06/526,370.70 = 84,675.34/x
  3. Step 3: Cross multiply
    350,917.06x = 526,370.70 × 84,675.34
  4. Step 4: Simplify right side
    350,917.06x = 44,570,617,988.54
  5. Step 5: Solve for x
    x = 44,570,617,988.54/350,917.06
  6. Step 6: Final answer
    x = 127,011.83

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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.