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Finding the Fourth Proportional to 488,793.90, 733,409.55 and 222,417.30

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Solution

The fourth proportional to 488,793.90, 733,409.55 and 222,417.30 is: 333,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,793.90 : 733,409.55 = 222,417.30 : x
  2. Step 2: Convert to fraction form
    488,793.90/733,409.55 = 222,417.30/x
  3. Step 3: Cross multiply
    488,793.90x = 733,409.55 × 222,417.30
  4. Step 4: Simplify right side
    488,793.90x = 163,122,971,905.22
  5. Step 5: Solve for x
    x = 163,122,971,905.22/488,793.90
  6. Step 6: Final answer
    x = 333,725.47

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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.