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Finding the Fourth Proportional to 863,497.28, 1,191,634 and 476,327.52

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Solution

The fourth proportional to 863,497.28, 1,191,634 and 476,327.52 is: 657,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,497.28 : 1,191,634 = 476,327.52 : x
  2. Step 2: Convert to fraction form
    863,497.28/1,191,634 = 476,327.52/x
  3. Step 3: Cross multiply
    863,497.28x = 1,191,634 × 476,327.52
  4. Step 4: Simplify right side
    863,497.28x = 567,608,067,967.68
  5. Step 5: Solve for x
    x = 567,608,067,967.68/863,497.28
  6. Step 6: Final answer
    x = 657,336.25

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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.