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Finding the Fourth Proportional to 577,804.48, 866,551.20 and 203,778.88

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Solution

The fourth proportional to 577,804.48, 866,551.20 and 203,778.88 is: 305,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,804.48 : 866,551.20 = 203,778.88 : x
  2. Step 2: Convert to fraction form
    577,804.48/866,551.20 = 203,778.88/x
  3. Step 3: Cross multiply
    577,804.48x = 866,551.20 × 203,778.88
  4. Step 4: Simplify right side
    577,804.48x = 176,584,832,998.66
  5. Step 5: Solve for x
    x = 176,584,832,998.66/577,804.48
  6. Step 6: Final answer
    x = 305,613.47

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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.