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Finding the Fourth Proportional to 322,958.08, 484,274.31 and 98,275.42

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Solution

The fourth proportional to 322,958.08, 484,274.31 and 98,275.42 is: 147,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,958.08 : 484,274.31 = 98,275.42 : x
  2. Step 2: Convert to fraction form
    322,958.08/484,274.31 = 98,275.42/x
  3. Step 3: Cross multiply
    322,958.08x = 484,274.31 × 98,275.42
  4. Step 4: Simplify right side
    322,958.08x = 47,592,261,210.46
  5. Step 5: Solve for x
    x = 47,592,261,210.46/322,958.08
  6. Step 6: Final answer
    x = 147,363.59

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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.