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Finding the Fourth Proportional to 489,083.10, 733,624.65 and 223,362.60

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Solution

The fourth proportional to 489,083.10, 733,624.65 and 223,362.60 is: 335,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,083.10 : 733,624.65 = 223,362.60 : x
  2. Step 2: Convert to fraction form
    489,083.10/733,624.65 = 223,362.60/x
  3. Step 3: Cross multiply
    489,083.10x = 733,624.65 × 223,362.60
  4. Step 4: Simplify right side
    489,083.10x = 163,864,309,248.09
  5. Step 5: Solve for x
    x = 163,864,309,248.09/489,083.10
  6. Step 6: Final answer
    x = 335,043.90

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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.