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Finding the Fourth Proportional to 635,995.38, 954,430.47 and 262,018.38

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Solution

The fourth proportional to 635,995.38, 954,430.47 and 262,018.38 is: 393,207.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,995.38 : 954,430.47 = 262,018.38 : x
  2. Step 2: Convert to fraction form
    635,995.38/954,430.47 = 262,018.38/x
  3. Step 3: Cross multiply
    635,995.38x = 954,430.47 × 262,018.38
  4. Step 4: Simplify right side
    635,995.38x = 250,078,319,489.79
  5. Step 5: Solve for x
    x = 250,078,319,489.79/635,995.38
  6. Step 6: Final answer
    x = 393,207.76

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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.