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Finding the Fourth Proportional to 350,508.80, 525,762.92 and 84,269.23

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Solution

The fourth proportional to 350,508.80, 525,762.92 and 84,269.23 is: 126,403.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,508.80 : 525,762.92 = 84,269.23 : x
  2. Step 2: Convert to fraction form
    350,508.80/525,762.92 = 84,269.23/x
  3. Step 3: Cross multiply
    350,508.80x = 525,762.92 × 84,269.23
  4. Step 4: Simplify right side
    350,508.80x = 44,305,635,327.22
  5. Step 5: Solve for x
    x = 44,305,635,327.22/350,508.80
  6. Step 6: Final answer
    x = 126,403.77

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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.