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Finding the Fourth Proportional to 636,677.70, 954,912.73 and 187,293.47

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Solution

The fourth proportional to 636,677.70, 954,912.73 and 187,293.47 is: 280,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,677.70 : 954,912.73 = 187,293.47 : x
  2. Step 2: Convert to fraction form
    636,677.70/954,912.73 = 187,293.47/x
  3. Step 3: Cross multiply
    636,677.70x = 954,912.73 × 187,293.47
  4. Step 4: Simplify right side
    636,677.70x = 178,848,920,667.92
  5. Step 5: Solve for x
    x = 178,848,920,667.92/636,677.70
  6. Step 6: Final answer
    x = 280,909.67

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1.5x scale

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.