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Finding the Fourth Proportional to 336,471.56, 504,706.40 and 83,747.32

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Solution

The fourth proportional to 336,471.56, 504,706.40 and 83,747.32 is: 125,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,471.56 : 504,706.40 = 83,747.32 : x
  2. Step 2: Convert to fraction form
    336,471.56/504,706.40 = 83,747.32/x
  3. Step 3: Cross multiply
    336,471.56x = 504,706.40 × 83,747.32
  4. Step 4: Simplify right side
    336,471.56x = 42,267,808,386.85
  5. Step 5: Solve for x
    x = 42,267,808,386.85/336,471.56
  6. Step 6: Final answer
    x = 125,620.75

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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.