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Finding the Fourth Proportional to 635,995.62, 954,430.84 and 262,018.62

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Solution

The fourth proportional to 635,995.62, 954,430.84 and 262,018.62 is: 393,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,995.62 : 954,430.84 = 262,018.62 : x
  2. Step 2: Convert to fraction form
    635,995.62/954,430.84 = 262,018.62/x
  3. Step 3: Cross multiply
    635,995.62x = 954,430.84 × 262,018.62
  4. Step 4: Simplify right side
    635,995.62x = 250,078,651,582.24
  5. Step 5: Solve for x
    x = 250,078,651,582.24/635,995.62
  6. Step 6: Final answer
    x = 393,208.13

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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.