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Finding the Fourth Proportional to 322,995.29, 484,308.30 and 98,289.27

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Solution

The fourth proportional to 322,995.29, 484,308.30 and 98,289.27 is: 147,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,995.29 : 484,308.30 = 98,289.27 : x
  2. Step 2: Convert to fraction form
    322,995.29/484,308.30 = 98,289.27/x
  3. Step 3: Cross multiply
    322,995.29x = 484,308.30 × 98,289.27
  4. Step 4: Simplify right side
    322,995.29x = 47,602,309,261.94
  5. Step 5: Solve for x
    x = 47,602,309,261.94/322,995.29
  6. Step 6: Final answer
    x = 147,377.72

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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.