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Finding the Fourth Proportional to 474,886.96, 655,378.50 and 270,942.37

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Solution

The fourth proportional to 474,886.96, 655,378.50 and 270,942.37 is: 373,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,886.96 : 655,378.50 = 270,942.37 : x
  2. Step 2: Convert to fraction form
    474,886.96/655,378.50 = 270,942.37/x
  3. Step 3: Cross multiply
    474,886.96x = 655,378.50 × 270,942.37
  4. Step 4: Simplify right side
    474,886.96x = 177,569,804,037.05
  5. Step 5: Solve for x
    x = 177,569,804,037.05/474,886.96
  6. Step 6: Final answer
    x = 373,920.15

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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.