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Finding the Fourth Proportional to 500,576.98, 750,867.99 and 126,600.34

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Solution

The fourth proportional to 500,576.98, 750,867.99 and 126,600.34 is: 189,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,576.98 : 750,867.99 = 126,600.34 : x
  2. Step 2: Convert to fraction form
    500,576.98/750,867.99 = 126,600.34/x
  3. Step 3: Cross multiply
    500,576.98x = 750,867.99 × 126,600.34
  4. Step 4: Simplify right side
    500,576.98x = 95,060,142,829.12
  5. Step 5: Solve for x
    x = 95,060,142,829.12/500,576.98
  6. Step 6: Final answer
    x = 189,901.15

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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.