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Finding the Fourth Proportional to 577,357.55, 866,071.76 and 222,372.62

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Solution

The fourth proportional to 577,357.55, 866,071.76 and 222,372.62 is: 333,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,357.55 : 866,071.76 = 222,372.62 : x
  2. Step 2: Convert to fraction form
    577,357.55/866,071.76 = 222,372.62/x
  3. Step 3: Cross multiply
    577,357.55x = 866,071.76 × 222,372.62
  4. Step 4: Simplify right side
    577,357.55x = 192,590,640,936.99
  5. Step 5: Solve for x
    x = 192,590,640,936.99/577,357.55
  6. Step 6: Final answer
    x = 333,572.57

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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.