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Finding the Fourth Proportional to 636,474.74, 954,577.65 and 187,073.37

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Solution

The fourth proportional to 636,474.74, 954,577.65 and 187,073.37 is: 280,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,474.74 : 954,577.65 = 187,073.37 : x
  2. Step 2: Convert to fraction form
    636,474.74/954,577.65 = 187,073.37/x
  3. Step 3: Cross multiply
    636,474.74x = 954,577.65 × 187,073.37
  4. Step 4: Simplify right side
    636,474.74x = 178,576,060,790.32
  5. Step 5: Solve for x
    x = 178,576,060,790.32/636,474.74
  6. Step 6: Final answer
    x = 280,570.54

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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.