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Finding the Fourth Proportional to 384,227.12, 576,386.64 and 117,952.64

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Solution

The fourth proportional to 384,227.12, 576,386.64 and 117,952.64 is: 176,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,227.12 : 576,386.64 = 117,952.64 : x
  2. Step 2: Convert to fraction form
    384,227.12/576,386.64 = 117,952.64/x
  3. Step 3: Cross multiply
    384,227.12x = 576,386.64 × 117,952.64
  4. Step 4: Simplify right side
    384,227.12x = 67,986,325,848.73
  5. Step 5: Solve for x
    x = 67,986,325,848.73/384,227.12
  6. Step 6: Final answer
    x = 176,943.07

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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.