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Finding the Fourth Proportional to 297,546.48, 446,323.44 and 87,188.72

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Solution

The fourth proportional to 297,546.48, 446,323.44 and 87,188.72 is: 130,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,546.48 : 446,323.44 = 87,188.72 : x
  2. Step 2: Convert to fraction form
    297,546.48/446,323.44 = 87,188.72/x
  3. Step 3: Cross multiply
    297,546.48x = 446,323.44 × 87,188.72
  4. Step 4: Simplify right side
    297,546.48x = 38,914,369,439.60
  5. Step 5: Solve for x
    x = 38,914,369,439.60/297,546.48
  6. Step 6: Final answer
    x = 130,784.17

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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.