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Finding the Fourth Proportional to 469,865.46, 648,414.08 and 265,912.68

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Solution

The fourth proportional to 469,865.46, 648,414.08 and 265,912.68 is: 366,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,865.46 : 648,414.08 = 265,912.68 : x
  2. Step 2: Convert to fraction form
    469,865.46/648,414.08 = 265,912.68/x
  3. Step 3: Cross multiply
    469,865.46x = 648,414.08 × 265,912.68
  4. Step 4: Simplify right side
    469,865.46x = 172,421,524,432.97
  5. Step 5: Solve for x
    x = 172,421,524,432.97/469,865.46
  6. Step 6: Final answer
    x = 366,959.35

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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.