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Finding the Fourth Proportional to 635,516.64, 953,273.58 and 399,025.38

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Solution

The fourth proportional to 635,516.64, 953,273.58 and 399,025.38 is: 598,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,516.64 : 953,273.58 = 399,025.38 : x
  2. Step 2: Convert to fraction form
    635,516.64/953,273.58 = 399,025.38/x
  3. Step 3: Cross multiply
    635,516.64x = 953,273.58 × 399,025.38
  4. Step 4: Simplify right side
    635,516.64x = 380,380,352,503.46
  5. Step 5: Solve for x
    x = 380,380,352,503.46/635,516.64
  6. Step 6: Final answer
    x = 598,537.20

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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.