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Finding the Fourth Proportional to 297,176.40, 445,818.60 and 97,441.20

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Solution

The fourth proportional to 297,176.40, 445,818.60 and 97,441.20 is: 146,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,176.40 : 445,818.60 = 97,441.20 : x
  2. Step 2: Convert to fraction form
    297,176.40/445,818.60 = 97,441.20/x
  3. Step 3: Cross multiply
    297,176.40x = 445,818.60 × 97,441.20
  4. Step 4: Simplify right side
    297,176.40x = 43,441,099,366.32
  5. Step 5: Solve for x
    x = 43,441,099,366.32/297,176.40
  6. Step 6: Final answer
    x = 146,179.51

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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.