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Finding the Fourth Proportional to 475,770.56, 656,564.28 and 260,912.12

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Solution

The fourth proportional to 475,770.56, 656,564.28 and 260,912.12 is: 360,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770.56 : 656,564.28 = 260,912.12 : x
  2. Step 2: Convert to fraction form
    475,770.56/656,564.28 = 260,912.12/x
  3. Step 3: Cross multiply
    475,770.56x = 656,564.28 × 260,912.12
  4. Step 4: Simplify right side
    475,770.56x = 171,305,578,211.07
  5. Step 5: Solve for x
    x = 171,305,578,211.07/475,770.56
  6. Step 6: Final answer
    x = 360,059.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.