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Finding the Fourth Proportional to 469,670.73, 704,590.34 and 220,346.25

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Solution

The fourth proportional to 469,670.73, 704,590.34 and 220,346.25 is: 330,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,670.73 : 704,590.34 = 220,346.25 : x
  2. Step 2: Convert to fraction form
    469,670.73/704,590.34 = 220,346.25/x
  3. Step 3: Cross multiply
    469,670.73x = 704,590.34 × 220,346.25
  4. Step 4: Simplify right side
    469,670.73x = 155,253,838,103.49
  5. Step 5: Solve for x
    x = 155,253,838,103.49/469,670.73
  6. Step 6: Final answer
    x = 330,558.90

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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.