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Finding the Fourth Proportional to 488,959.38, 733,264.11 and 264,485.70

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Solution

The fourth proportional to 488,959.38, 733,264.11 and 264,485.70 is: 396,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,959.38 : 733,264.11 = 264,485.70 : x
  2. Step 2: Convert to fraction form
    488,959.38/733,264.11 = 264,485.70/x
  3. Step 3: Cross multiply
    488,959.38x = 733,264.11 × 264,485.70
  4. Step 4: Simplify right side
    488,959.38x = 193,937,871,418.23
  5. Step 5: Solve for x
    x = 193,937,871,418.23/488,959.38
  6. Step 6: Final answer
    x = 396,633.91

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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.