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Finding the Fourth Proportional to 350,879.48, 526,487.70 and 275,530.04

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Solution

The fourth proportional to 350,879.48, 526,487.70 and 275,530.04 is: 413,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,879.48 : 526,487.70 = 275,530.04 : x
  2. Step 2: Convert to fraction form
    350,879.48/526,487.70 = 275,530.04/x
  3. Step 3: Cross multiply
    350,879.48x = 526,487.70 × 275,530.04
  4. Step 4: Simplify right side
    350,879.48x = 145,063,177,040.51
  5. Step 5: Solve for x
    x = 145,063,177,040.51/350,879.48
  6. Step 6: Final answer
    x = 413,427.36

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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.