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Finding the Fourth Proportional to 406,360.85, 560,771.79 and 222,597.95

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Solution

The fourth proportional to 406,360.85, 560,771.79 and 222,597.95 is: 307,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,360.85 : 560,771.79 = 222,597.95 : x
  2. Step 2: Convert to fraction form
    406,360.85/560,771.79 = 222,597.95/x
  3. Step 3: Cross multiply
    406,360.85x = 560,771.79 × 222,597.95
  4. Step 4: Simplify right side
    406,360.85x = 124,826,650,026.40
  5. Step 5: Solve for x
    x = 124,826,650,026.40/406,360.85
  6. Step 6: Final answer
    x = 307,181.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.