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Finding the Fourth Proportional to 632,762.57, 873,619.88 and 564,662.43

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Solution

The fourth proportional to 632,762.57, 873,619.88 and 564,662.43 is: 779,597.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,762.57 : 873,619.88 = 564,662.43 : x
  2. Step 2: Convert to fraction form
    632,762.57/873,619.88 = 564,662.43/x
  3. Step 3: Cross multiply
    632,762.57x = 873,619.88 × 564,662.43
  4. Step 4: Simplify right side
    632,762.57x = 493,300,321,513.80
  5. Step 5: Solve for x
    x = 493,300,321,513.80/632,762.57
  6. Step 6: Final answer
    x = 779,597.83

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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.