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Finding the Fourth Proportional to 577,538.34, 866,455.11 and 222,457.02

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Solution

The fourth proportional to 577,538.34, 866,455.11 and 222,457.02 is: 333,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,538.34 : 866,455.11 = 222,457.02 : x
  2. Step 2: Convert to fraction form
    577,538.34/866,455.11 = 222,457.02/x
  3. Step 3: Cross multiply
    577,538.34x = 866,455.11 × 222,457.02
  4. Step 4: Simplify right side
    577,538.34x = 192,749,021,734.37
  5. Step 5: Solve for x
    x = 192,749,021,734.37/577,538.34
  6. Step 6: Final answer
    x = 333,742.38

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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.