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Finding the Fourth Proportional to 700,844.88, 967,154.40 and 394,952.52

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Solution

The fourth proportional to 700,844.88, 967,154.40 and 394,952.52 is: 545,027.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,844.88 : 967,154.40 = 394,952.52 : x
  2. Step 2: Convert to fraction form
    700,844.88/967,154.40 = 394,952.52/x
  3. Step 3: Cross multiply
    700,844.88x = 967,154.40 × 394,952.52
  4. Step 4: Simplify right side
    700,844.88x = 381,980,067,509.09
  5. Step 5: Solve for x
    x = 381,980,067,509.09/700,844.88
  6. Step 6: Final answer
    x = 545,027.98

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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.