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Finding the Fourth Proportional to 336,325.72, 504,474 and 83,600.88

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Solution

The fourth proportional to 336,325.72, 504,474 and 83,600.88 is: 125,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,325.72 : 504,474 = 83,600.88 : x
  2. Step 2: Convert to fraction form
    336,325.72/504,474 = 83,600.88/x
  3. Step 3: Cross multiply
    336,325.72x = 504,474 × 83,600.88
  4. Step 4: Simplify right side
    336,325.72x = 42,174,470,337.12
  5. Step 5: Solve for x
    x = 42,174,470,337.12/336,325.72
  6. Step 6: Final answer
    x = 125,397.70

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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.