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Finding the Fourth Proportional to 632,767.44, 873,626.61 and 564,667.31

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Solution

The fourth proportional to 632,767.44, 873,626.61 and 564,667.31 is: 779,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,767.44 : 873,626.61 = 564,667.31 : x
  2. Step 2: Convert to fraction form
    632,767.44/873,626.61 = 564,667.31/x
  3. Step 3: Cross multiply
    632,767.44x = 873,626.61 × 564,667.31
  4. Step 4: Simplify right side
    632,767.44x = 493,308,383,444.99
  5. Step 5: Solve for x
    x = 493,308,383,444.99/632,767.44
  6. Step 6: Final answer
    x = 779,604.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.