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Finding the Fourth Proportional to 475,758.56, 656,555.84 and 260,885.81

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Solution

The fourth proportional to 475,758.56, 656,555.84 and 260,885.81 is: 360,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,758.56 : 656,555.84 = 260,885.81 : x
  2. Step 2: Convert to fraction form
    475,758.56/656,555.84 = 260,885.81/x
  3. Step 3: Cross multiply
    475,758.56x = 656,555.84 × 260,885.81
  4. Step 4: Simplify right side
    475,758.56x = 171,286,100,824.20
  5. Step 5: Solve for x
    x = 171,286,100,824.20/475,758.56
  6. Step 6: Final answer
    x = 360,027.37

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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.