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Finding the Fourth Proportional to 577,538.84, 866,455.86 and 222,457.52

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Solution

The fourth proportional to 577,538.84, 866,455.86 and 222,457.52 is: 333,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,538.84 : 866,455.86 = 222,457.52 : x
  2. Step 2: Convert to fraction form
    577,538.84/866,455.86 = 222,457.52/x
  3. Step 3: Cross multiply
    577,538.84x = 866,455.86 × 222,457.52
  4. Step 4: Simplify right side
    577,538.84x = 192,749,621,805.07
  5. Step 5: Solve for x
    x = 192,749,621,805.07/577,538.84
  6. Step 6: Final answer
    x = 333,743.13

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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.