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Finding the Fourth Proportional to 535,822.40, 802,615.80 and 251,755.40

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Solution

The fourth proportional to 535,822.40, 802,615.80 and 251,755.40 is: 377,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,822.40 : 802,615.80 = 251,755.40 : x
  2. Step 2: Convert to fraction form
    535,822.40/802,615.80 = 251,755.40/x
  3. Step 3: Cross multiply
    535,822.40x = 802,615.80 × 251,755.40
  4. Step 4: Simplify right side
    535,822.40x = 202,062,861,775.32
  5. Step 5: Solve for x
    x = 202,062,861,775.32/535,822.40
  6. Step 6: Final answer
    x = 377,107.90

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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.