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Finding the Fourth Proportional to 305,497.60, 458,111.08 and 163,308.43

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Solution

The fourth proportional to 305,497.60, 458,111.08 and 163,308.43 is: 244,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,497.60 : 458,111.08 = 163,308.43 : x
  2. Step 2: Convert to fraction form
    305,497.60/458,111.08 = 163,308.43/x
  3. Step 3: Cross multiply
    305,497.60x = 458,111.08 × 163,308.43
  4. Step 4: Simplify right side
    305,497.60x = 74,813,401,240.40
  5. Step 5: Solve for x
    x = 74,813,401,240.40/305,497.60
  6. Step 6: Final answer
    x = 244,890.31

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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.