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Finding the Fourth Proportional to 635,333.89, 953,001.17 and 398,842.64

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Solution

The fourth proportional to 635,333.89, 953,001.17 and 398,842.64 is: 598,264.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,333.89 : 953,001.17 = 398,842.64 : x
  2. Step 2: Convert to fraction form
    635,333.89/953,001.17 = 398,842.64/x
  3. Step 3: Cross multiply
    635,333.89x = 953,001.17 × 398,842.64
  4. Step 4: Simplify right side
    635,333.89x = 380,097,505,945.50
  5. Step 5: Solve for x
    x = 380,097,505,945.50/635,333.89
  6. Step 6: Final answer
    x = 598,264.18

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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.