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Finding the Fourth Proportional to 635,906.40, 953,859.60 and 550,285.35

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Solution

The fourth proportional to 635,906.40, 953,859.60 and 550,285.35 is: 825,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,906.40 : 953,859.60 = 550,285.35 : x
  2. Step 2: Convert to fraction form
    635,906.40/953,859.60 = 550,285.35/x
  3. Step 3: Cross multiply
    635,906.40x = 953,859.60 × 550,285.35
  4. Step 4: Simplify right side
    635,906.40x = 524,894,963,836.86
  5. Step 5: Solve for x
    x = 524,894,963,836.86/635,906.40
  6. Step 6: Final answer
    x = 825,428.03

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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.